217088925

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{661}}^1$

素因数の和:854

約数の個数: 48

約数和(自身を含む): 374321280

約数和(自身を除く): 157232355

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 145, 151, 435, 453, 661, 725, 755, 1983, 2175, 2265, 3305, 3775, 4379, 9915, 11325, 13137, 16525, 19169, 21895, 49575, 57507, 65685, 95845, 99811, 109475, 287535, 299433, 328425, 479225, 499055, 1437675, 1497165, 2495275, 2894519, 7485825, 8683557, 14472595, 43417785, 72362975, 217088925]

約数ペア:

[(1, 217088925), (3, 72362975), (5, 43417785), (15, 14472595), (25, 8683557), (29, 7485825), (75, 2894519), (87, 2495275), (145, 1497165), (151, 1437675), (435, 499055), (453, 479225), (661, 328425), (725, 299433), (755, 287535), (1983, 109475), (2175, 99811), (2265, 95845), (3305, 65685), (3775, 57507), (4379, 49575), (9915, 21895), (11325, 19169), (13137, 16525)]