220142655

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{241}}^1\times {\mathrm{383}}^1$

素因数の和:688

約数の個数: 48

約数和(自身を含む): 391412736

約数和(自身を除く): 171270081

約数列:

[1, 3, 5, 9, 15, 45, 53, 159, 241, 265, 383, 477, 723, 795, 1149, 1205, 1915, 2169, 2385, 3447, 3615, 5745, 10845, 12773, 17235, 20299, 38319, 60897, 63865, 92303, 101495, 114957, 182691, 191595, 276909, 304485, 461515, 574785, 830727, 913455, 1384545, 4153635, 4892059, 14676177, 24460295, 44028531, 73380885, 220142655]

約数ペア:

[(1, 220142655), (3, 73380885), (5, 44028531), (9, 24460295), (15, 14676177), (45, 4892059), (53, 4153635), (159, 1384545), (241, 913455), (265, 830727), (383, 574785), (477, 461515), (723, 304485), (795, 276909), (1149, 191595), (1205, 182691), (1915, 114957), (2169, 101495), (2385, 92303), (3447, 63865), (3615, 60897), (5745, 38319), (10845, 20299), (12773, 17235)]