321017865

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{193}}^1$

素因数の和:319

約数の個数: 96

約数和(自身を含む): 628448256

約数和(自身を除く): 307430391

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 49, 73, 93, 105, 147, 155, 193, 217, 219, 245, 365, 465, 511, 579, 651, 735, 965, 1085, 1095, 1351, 1519, 1533, 2263, 2555, 2895, 3255, 3577, 4053, 4557, 5983, 6755, 6789, 7595, 7665, 9457, 10731, 11315, 14089, 15841, 17885, 17949, 20265, 22785, 28371, 29915, 33945, 41881, 42267, 47285, 47523, 53655, 70445, 79205, 89745, 98623, 110887, 125643, 141855, 209405, 211335, 237615, 293167, 295869, 332661, 436759, 493115, 554435, 628215, 690361, 879501, 1310277, 1465835, 1479345, 1663305, 2071083, 2183795, 3057313, 3451805, 4397505, 6551385, 9171939, 10355415, 15286565, 21401191, 45859695, 64203573, 107005955, 321017865]

約数ペア:

[(1, 321017865), (3, 107005955), (5, 64203573), (7, 45859695), (15, 21401191), (21, 15286565), (31, 10355415), (35, 9171939), (49, 6551385), (73, 4397505), (93, 3451805), (105, 3057313), (147, 2183795), (155, 2071083), (193, 1663305), (217, 1479345), (219, 1465835), (245, 1310277), (365, 879501), (465, 690361), (511, 628215), (579, 554435), (651, 493115), (735, 436759), (965, 332661), (1085, 295869), (1095, 293167), (1351, 237615), (1519, 211335), (1533, 209405), (2263, 141855), (2555, 125643), (2895, 110887), (3255, 98623), (3577, 89745), (4053, 79205), (4557, 70445), (5983, 53655), (6755, 47523), (6789, 47285), (7595, 42267), (7665, 41881), (9457, 33945), (10731, 29915), (11315, 28371), (14089, 22785), (15841, 20265), (17885, 17949)]