15683031

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^2\times {\mathrm{491}}^1$

素因数の和:533

約数の個数: 48

約数和(自身を含む): 28811520

約数和(自身を除く): 13128489

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 169, 189, 273, 351, 491, 507, 819, 1183, 1473, 1521, 2457, 3437, 3549, 4419, 4563, 6383, 10311, 10647, 13257, 19149, 30933, 31941, 44681, 57447, 82979, 92799, 134043, 172341, 248937, 402129, 580853, 746811, 1206387, 1742559, 2240433, 5227677, 15683031]

約数ペア:

[(1, 15683031), (3, 5227677), (7, 2240433), (9, 1742559), (13, 1206387), (21, 746811), (27, 580853), (39, 402129), (63, 248937), (91, 172341), (117, 134043), (169, 92799), (189, 82979), (273, 57447), (351, 44681), (491, 31941), (507, 30933), (819, 19149), (1183, 13257), (1473, 10647), (1521, 10311), (2457, 6383), (3437, 4563), (3549, 4419)]