642525

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{659}}^1$

素因数の和:685

約数の個数: 24

約数和(自身を含む): 1145760

約数和(自身を除く): 503235

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 659, 975, 1977, 3295, 8567, 9885, 16475, 25701, 42835, 49425, 128505, 214175, 642525]

約数ペア:

[(1, 642525), (3, 214175), (5, 128505), (13, 49425), (15, 42835), (25, 25701), (39, 16475), (65, 9885), (75, 8567), (195, 3295), (325, 1977), (659, 975)]