420156075

素因数分解:

$3^1\times 5^2\times {\mathrm{571}}^1\times {\mathrm{9811}}^1$

素因数の和:10395

約数の個数: 24

約数和(自身を含む): 695945536

約数和(自身を除く): 275789461

約数列:

[1, 3, 5, 15, 25, 75, 571, 1713, 2855, 8565, 9811, 14275, 29433, 42825, 49055, 147165, 245275, 735825, 5602081, 16806243, 28010405, 84031215, 140052025, 420156075]

約数ペア:

[(1, 420156075), (3, 140052025), (5, 84031215), (15, 28010405), (25, 16806243), (75, 5602081), (571, 735825), (1713, 245275), (2855, 147165), (8565, 49055), (9811, 42825), (14275, 29433)]