199985877

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{4003}}^1$

素因数の和:4090

約数の個数: 48

約数和(自身を含む): 361449088

約数和(自身を除く): 161463211

約数列:

[1, 3, 7, 9, 13, 21, 39, 61, 63, 91, 117, 183, 273, 427, 549, 793, 819, 1281, 2379, 3843, 4003, 5551, 7137, 12009, 16653, 28021, 36027, 49959, 52039, 84063, 156117, 244183, 252189, 364273, 468351, 732549, 1092819, 1709281, 2197647, 3174379, 3278457, 5127843, 9523137, 15383529, 22220653, 28569411, 66661959, 199985877]

約数ペア:

[(1, 199985877), (3, 66661959), (7, 28569411), (9, 22220653), (13, 15383529), (21, 9523137), (39, 5127843), (61, 3278457), (63, 3174379), (91, 2197647), (117, 1709281), (183, 1092819), (273, 732549), (427, 468351), (549, 364273), (793, 252189), (819, 244183), (1281, 156117), (2379, 84063), (3843, 52039), (4003, 49959), (5551, 36027), (7137, 28021), (12009, 16653)]