80919975

素因数分解:

$3^1\times 5^2\times {\mathrm{59}}^1\times {\mathrm{18287}}^1$

素因数の和:18359

約数の個数: 24

約数和(自身を含む): 136062720

約数和(自身を除く): 55142745

約数列:

[1, 3, 5, 15, 25, 59, 75, 177, 295, 885, 1475, 4425, 18287, 54861, 91435, 274305, 457175, 1078933, 1371525, 3236799, 5394665, 16183995, 26973325, 80919975]

約数ペア:

[(1, 80919975), (3, 26973325), (5, 16183995), (15, 5394665), (25, 3236799), (59, 1371525), (75, 1078933), (177, 457175), (295, 274305), (885, 91435), (1475, 54861), (4425, 18287)]