31356315

素因数分解:

$3^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{557}}^1$

素因数の和:713

約数の個数: 40

約数和(自身を含む): 56715120

約数和(自身を除く): 25358805

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 139, 405, 417, 557, 695, 1251, 1671, 2085, 2785, 3753, 5013, 6255, 8355, 11259, 15039, 18765, 25065, 45117, 56295, 75195, 77423, 225585, 232269, 387115, 696807, 1161345, 2090421, 3484035, 6271263, 10452105, 31356315]

約数ペア:

[(1, 31356315), (3, 10452105), (5, 6271263), (9, 3484035), (15, 2090421), (27, 1161345), (45, 696807), (81, 387115), (135, 232269), (139, 225585), (405, 77423), (417, 75195), (557, 56295), (695, 45117), (1251, 25065), (1671, 18765), (2085, 15039), (2785, 11259), (3753, 8355), (5013, 6255)]