30986475

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{521}}^1$

素因数の和:608

約数の個数: 48

約数和(自身を含む): 56183904

約数和(自身を除く): 25197429

約数列:

[1, 3, 5, 13, 15, 25, 39, 61, 65, 75, 183, 195, 305, 325, 521, 793, 915, 975, 1525, 1563, 2379, 2605, 3965, 4575, 6773, 7815, 11895, 13025, 19825, 20319, 31781, 33865, 39075, 59475, 95343, 101595, 158905, 169325, 413153, 476715, 507975, 794525, 1239459, 2065765, 2383575, 6197295, 10328825, 30986475]

約数ペア:

[(1, 30986475), (3, 10328825), (5, 6197295), (13, 2383575), (15, 2065765), (25, 1239459), (39, 794525), (61, 507975), (65, 476715), (75, 413153), (183, 169325), (195, 158905), (305, 101595), (325, 95343), (521, 59475), (793, 39075), (915, 33865), (975, 31781), (1525, 20319), (1563, 19825), (2379, 13025), (2605, 11895), (3965, 7815), (4575, 6773)]