79970325

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{181}}^1$

素因数の和:374

約数の個数: 48

約数和(自身を含む): 137032896

約数和(自身を除く): 57062571

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 137, 181, 215, 411, 543, 645, 685, 905, 1075, 2055, 2715, 3225, 3425, 4525, 5891, 7783, 10275, 13575, 17673, 23349, 24797, 29455, 38915, 74391, 88365, 116745, 123985, 147275, 194575, 371955, 441825, 583725, 619925, 1066271, 1859775, 3198813, 5331355, 15994065, 26656775, 79970325]

約数ペア:

[(1, 79970325), (3, 26656775), (5, 15994065), (15, 5331355), (25, 3198813), (43, 1859775), (75, 1066271), (129, 619925), (137, 583725), (181, 441825), (215, 371955), (411, 194575), (543, 147275), (645, 123985), (685, 116745), (905, 88365), (1075, 74391), (2055, 38915), (2715, 29455), (3225, 24797), (3425, 23349), (4525, 17673), (5891, 13575), (7783, 10275)]