9979830

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:131

約数の個数: 144

約数和(自身を含む): 31584384

約数和(自身を除く): 21604554

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 31, 35, 42, 45, 49, 62, 63, 70, 73, 90, 93, 98, 105, 126, 146, 147, 155, 186, 210, 217, 219, 245, 279, 294, 310, 315, 365, 434, 438, 441, 465, 490, 511, 558, 630, 651, 657, 730, 735, 882, 930, 1022, 1085, 1095, 1302, 1314, 1395, 1470, 1519, 1533, 1953, 2170, 2190, 2205, 2263, 2555, 2790, 3038, 3066, 3255, 3285, 3577, 3906, 4410, 4526, 4557, 4599, 5110, 6510, 6570, 6789, 7154, 7595, 7665, 9114, 9198, 9765, 10731, 11315, 13578, 13671, 15190, 15330, 15841, 17885, 19530, 20367, 21462, 22630, 22785, 22995, 27342, 31682, 32193, 33945, 35770, 40734, 45570, 45990, 47523, 53655, 64386, 67890, 68355, 79205, 95046, 101835, 107310, 110887, 136710, 142569, 158410, 160965, 203670, 221774, 237615, 285138, 321930, 332661, 475230, 554435, 665322, 712845, 997983, 1108870, 1425690, 1663305, 1995966, 3326610, 4989915, 9979830]

約数ペア:

[(1, 9979830), (2, 4989915), (3, 3326610), (5, 1995966), (6, 1663305), (7, 1425690), (9, 1108870), (10, 997983), (14, 712845), (15, 665322), (18, 554435), (21, 475230), (30, 332661), (31, 321930), (35, 285138), (42, 237615), (45, 221774), (49, 203670), (62, 160965), (63, 158410), (70, 142569), (73, 136710), (90, 110887), (93, 107310), (98, 101835), (105, 95046), (126, 79205), (146, 68355), (147, 67890), (155, 64386), (186, 53655), (210, 47523), (217, 45990), (219, 45570), (245, 40734), (279, 35770), (294, 33945), (310, 32193), (315, 31682), (365, 27342), (434, 22995), (438, 22785), (441, 22630), (465, 21462), (490, 20367), (511, 19530), (558, 17885), (630, 15841), (651, 15330), (657, 15190), (730, 13671), (735, 13578), (882, 11315), (930, 10731), (1022, 9765), (1085, 9198), (1095, 9114), (1302, 7665), (1314, 7595), (1395, 7154), (1470, 6789), (1519, 6570), (1533, 6510), (1953, 5110), (2170, 4599), (2190, 4557), (2205, 4526), (2263, 4410), (2555, 3906), (2790, 3577), (3038, 3285), (3066, 3255)]