321016941

素因数分解:

$3^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1\times {\mathrm{401}}^1$

素因数の和:642

約数の個数: 48

約数和(自身を含む): 540828288

約数和(自身を除く): 219811347

約数列:

[1, 3, 7, 9, 21, 63, 97, 131, 291, 393, 401, 679, 873, 917, 1179, 1203, 2037, 2751, 2807, 3609, 6111, 8253, 8421, 12707, 25263, 38121, 38897, 52531, 88949, 114363, 116691, 157593, 266847, 272279, 350073, 367717, 472779, 800541, 816837, 1103151, 2450511, 3309453, 5095507, 15286521, 35668549, 45859563, 107005647, 321016941]

約数ペア:

[(1, 321016941), (3, 107005647), (7, 45859563), (9, 35668549), (21, 15286521), (63, 5095507), (97, 3309453), (131, 2450511), (291, 1103151), (393, 816837), (401, 800541), (679, 472779), (873, 367717), (917, 350073), (1179, 272279), (1203, 266847), (2037, 157593), (2751, 116691), (2807, 114363), (3609, 88949), (6111, 52531), (8253, 38897), (8421, 38121), (12707, 25263)]