177672525

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{421}}^1$

素因数の和:782

約数の個数: 48

約数和(自身を含む): 312712128

約数和(自身を除く): 135039603

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 331, 421, 425, 993, 1263, 1275, 1655, 2105, 4965, 5627, 6315, 7157, 8275, 10525, 16881, 21471, 24825, 28135, 31575, 35785, 84405, 107355, 139351, 140675, 178925, 418053, 422025, 536775, 696755, 2090265, 2368967, 3483775, 7106901, 10451325, 11844835, 35534505, 59224175, 177672525]

約数ペア:

[(1, 177672525), (3, 59224175), (5, 35534505), (15, 11844835), (17, 10451325), (25, 7106901), (51, 3483775), (75, 2368967), (85, 2090265), (255, 696755), (331, 536775), (421, 422025), (425, 418053), (993, 178925), (1263, 140675), (1275, 139351), (1655, 107355), (2105, 84405), (4965, 35785), (5627, 31575), (6315, 28135), (7157, 24825), (8275, 21471), (10525, 16881)]