31079925

素因数分解:

$3^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{2939}}^1$

素因数の和:3002

約数の個数: 36

約数和(自身を含む): 56871360

約数和(自身を除く): 25791435

約数列:

[1, 3, 5, 9, 15, 25, 45, 47, 75, 141, 225, 235, 423, 705, 1175, 2115, 2939, 3525, 8817, 10575, 14695, 26451, 44085, 73475, 132255, 138133, 220425, 414399, 661275, 690665, 1243197, 2071995, 3453325, 6215985, 10359975, 31079925]

約数ペア:

[(1, 31079925), (3, 10359975), (5, 6215985), (9, 3453325), (15, 2071995), (25, 1243197), (45, 690665), (47, 661275), (75, 414399), (141, 220425), (225, 138133), (235, 132255), (423, 73475), (705, 44085), (1175, 26451), (2115, 14695), (2939, 10575), (3525, 8817)]