642375

素因数分解:

$3^2\times 5^3\times {\mathrm{571}}^1$

素因数の和:592

約数の個数: 24

約数和(自身を含む): 1160016

約数和(自身を除く): 517641

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 225, 375, 571, 1125, 1713, 2855, 5139, 8565, 14275, 25695, 42825, 71375, 128475, 214125, 642375]

約数ペア:

[(1, 642375), (3, 214125), (5, 128475), (9, 71375), (15, 42825), (25, 25695), (45, 14275), (75, 8565), (125, 5139), (225, 2855), (375, 1713), (571, 1125)]