15978181212

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{63405481}}^1$

素因数の和:63405498

約数の個数: 36

約数和(自身を含む): 46159190896

約数和(自身を除く): 30181009684

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 63405481, 126810962, 190216443, 253621924, 380432886, 443838367, 570649329, 760865772, 887676734, 1141298658, 1331515101, 1775353468, 2282597316, 2663030202, 3994545303, 5326060404, 7989090606, 15978181212]

約数ペア:

[(1, 15978181212), (2, 7989090606), (3, 5326060404), (4, 3994545303), (6, 2663030202), (7, 2282597316), (9, 1775353468), (12, 1331515101), (14, 1141298658), (18, 887676734), (21, 760865772), (28, 570649329), (36, 443838367), (42, 380432886), (63, 253621924), (84, 190216443), (126, 126810962), (252, 63405481)]