220132479

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{2039}}^1$

素因数の和:2199

約数の個数: 32

約数和(自身を含む): 345461760

約数和(自身を除く): 125329281

約数列:

[1, 3, 7, 21, 53, 97, 159, 291, 371, 679, 1113, 2037, 2039, 5141, 6117, 14273, 15423, 35987, 42819, 107961, 108067, 197783, 324201, 593349, 756469, 1384481, 2269407, 4153443, 10482499, 31447497, 73377493, 220132479]

約数ペア:

[(1, 220132479), (3, 73377493), (7, 31447497), (21, 10482499), (53, 4153443), (97, 2269407), (159, 1384481), (291, 756469), (371, 593349), (679, 324201), (1113, 197783), (2037, 108067), (2039, 107961), (5141, 42819), (6117, 35987), (14273, 15423)]