208088751

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{3803}}^1$

素因数の和:3903

約数の個数: 32

約数和(自身を含む): 316979712

約数和(自身を除く): 108890961

約数列:

[1, 3, 13, 23, 39, 61, 69, 183, 299, 793, 897, 1403, 2379, 3803, 4209, 11409, 18239, 49439, 54717, 87469, 148317, 231983, 262407, 695949, 1137097, 3015779, 3411291, 5335609, 9047337, 16006827, 69362917, 208088751]

約数ペア:

[(1, 208088751), (3, 69362917), (13, 16006827), (23, 9047337), (39, 5335609), (61, 3411291), (69, 3015779), (183, 1137097), (299, 695949), (793, 262407), (897, 231983), (1403, 148317), (2379, 87469), (3803, 54717), (4209, 49439), (11409, 18239)]