207739215

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{49639}}^1$

素因数の和:49684

約数の個数: 32

約数和(自身を含む): 381235200

約数和(自身を除く): 173495985

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 93, 135, 155, 279, 465, 837, 1395, 4185, 49639, 148917, 248195, 446751, 744585, 1340253, 1538809, 2233755, 4616427, 6701265, 7694045, 13849281, 23082135, 41547843, 69246405, 207739215]

約数ペア:

[(1, 207739215), (3, 69246405), (5, 41547843), (9, 23082135), (15, 13849281), (27, 7694045), (31, 6701265), (45, 4616427), (93, 2233755), (135, 1538809), (155, 1340253), (279, 744585), (465, 446751), (837, 248195), (1395, 148917), (4185, 49639)]