202207257

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1\times {\mathrm{389}}^1$

素因数の和:662

約数の個数: 48

約数和(自身を含む): 345246720

約数和(自身を除く): 143039463

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 223, 259, 333, 389, 669, 777, 1167, 1561, 2007, 2331, 2723, 3501, 4683, 8169, 8251, 14049, 14393, 24507, 24753, 43179, 57757, 74259, 86747, 100751, 129537, 173271, 260241, 302253, 519813, 607229, 780723, 906759, 1821687, 3209639, 5465061, 9628917, 22467473, 28886751, 67402419, 202207257]

約数ペア:

[(1, 202207257), (3, 67402419), (7, 28886751), (9, 22467473), (21, 9628917), (37, 5465061), (63, 3209639), (111, 1821687), (223, 906759), (259, 780723), (333, 607229), (389, 519813), (669, 302253), (777, 260241), (1167, 173271), (1561, 129537), (2007, 100751), (2331, 86747), (2723, 74259), (3501, 57757), (4683, 43179), (8169, 24753), (8251, 24507), (14049, 14393)]