71952825

素因数分解:

$3^1\times 5^2\times 7^3\times {\mathrm{2797}}^1$

素因数の和:2831

約数の個数: 48

約数和(自身を含む): 138780800

約数和(自身を除く): 66827975

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 105, 147, 175, 245, 343, 525, 735, 1029, 1225, 1715, 2797, 3675, 5145, 8391, 8575, 13985, 19579, 25725, 41955, 58737, 69925, 97895, 137053, 209775, 293685, 411159, 489475, 685265, 959371, 1468425, 2055795, 2878113, 3426325, 4796855, 10278975, 14390565, 23984275, 71952825]

約数ペア:

[(1, 71952825), (3, 23984275), (5, 14390565), (7, 10278975), (15, 4796855), (21, 3426325), (25, 2878113), (35, 2055795), (49, 1468425), (75, 959371), (105, 685265), (147, 489475), (175, 411159), (245, 293685), (343, 209775), (525, 137053), (735, 97895), (1029, 69925), (1225, 58737), (1715, 41955), (2797, 25725), (3675, 19579), (5145, 13985), (8391, 8575)]