291278106

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{397}}^1\times {\mathrm{647}}^1$

素因数の和:1065

約数の個数: 80

約数和(自身を含む): 748953216

約数和(自身を除く): 457675110

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 378, 397, 567, 647, 794, 1134, 1191, 1294, 1941, 2382, 2779, 3573, 3882, 4529, 5558, 5823, 7146, 8337, 9058, 10719, 11646, 13587, 16674, 17469, 21438, 25011, 27174, 32157, 34938, 40761, 50022, 52407, 64314, 75033, 81522, 104814, 122283, 150066, 225099, 244566, 256859, 366849, 450198, 513718, 733698, 770577, 1541154, 1798013, 2311731, 3596026, 4623462, 5394039, 6935193, 10788078, 13870386, 16182117, 20805579, 32364234, 41611158, 48546351, 97092702, 145639053, 291278106]

約数ペア:

[(1, 291278106), (2, 145639053), (3, 97092702), (6, 48546351), (7, 41611158), (9, 32364234), (14, 20805579), (18, 16182117), (21, 13870386), (27, 10788078), (42, 6935193), (54, 5394039), (63, 4623462), (81, 3596026), (126, 2311731), (162, 1798013), (189, 1541154), (378, 770577), (397, 733698), (567, 513718), (647, 450198), (794, 366849), (1134, 256859), (1191, 244566), (1294, 225099), (1941, 150066), (2382, 122283), (2779, 104814), (3573, 81522), (3882, 75033), (4529, 64314), (5558, 52407), (5823, 50022), (7146, 40761), (8337, 34938), (9058, 32157), (10719, 27174), (11646, 25011), (13587, 21438), (16674, 17469)]