15380505

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{311}}^1$

素因数の和:486

約数の個数: 48

約数和(自身を含む): 30760704

約数和(自身を除く): 15380199

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 157, 311, 315, 471, 785, 933, 1099, 1413, 1555, 2177, 2355, 2799, 3297, 4665, 5495, 6531, 7065, 9891, 10885, 13995, 16485, 19593, 32655, 48827, 49455, 97965, 146481, 244135, 341789, 439443, 732405, 1025367, 1708945, 2197215, 3076101, 5126835, 15380505]

約数ペア:

[(1, 15380505), (3, 5126835), (5, 3076101), (7, 2197215), (9, 1708945), (15, 1025367), (21, 732405), (35, 439443), (45, 341789), (63, 244135), (105, 146481), (157, 97965), (311, 49455), (315, 48827), (471, 32655), (785, 19593), (933, 16485), (1099, 13995), (1413, 10885), (1555, 9891), (2177, 7065), (2355, 6531), (2799, 5495), (3297, 4665)]