25697475

素因数分解:

$3^2\times 5^2\times {\mathrm{181}}^1\times {\mathrm{631}}^1$

素因数の和:828

約数の個数: 36

約数和(自身を含む): 46354672

約数和(自身を除く): 20657197

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 181, 225, 543, 631, 905, 1629, 1893, 2715, 3155, 4525, 5679, 8145, 9465, 13575, 15775, 28395, 40725, 47325, 114211, 141975, 342633, 571055, 1027899, 1713165, 2855275, 5139495, 8565825, 25697475]

約数ペア:

[(1, 25697475), (3, 8565825), (5, 5139495), (9, 2855275), (15, 1713165), (25, 1027899), (45, 571055), (75, 342633), (181, 141975), (225, 114211), (543, 47325), (631, 40725), (905, 28395), (1629, 15775), (1893, 13575), (2715, 9465), (3155, 8145), (4525, 5679)]