55148895

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{421}}^1$

素因数の和:544

約数の個数: 48

約数和(自身を含む): 99537984

約数和(自身を除く): 44389089

約数列:

[1, 3, 5, 9, 15, 41, 45, 71, 123, 205, 213, 355, 369, 421, 615, 639, 1065, 1263, 1845, 2105, 2911, 3195, 3789, 6315, 8733, 14555, 17261, 18945, 26199, 29891, 43665, 51783, 86305, 89673, 130995, 149455, 155349, 258915, 269019, 448365, 776745, 1225531, 1345095, 3676593, 6127655, 11029779, 18382965, 55148895]

約数ペア:

[(1, 55148895), (3, 18382965), (5, 11029779), (9, 6127655), (15, 3676593), (41, 1345095), (45, 1225531), (71, 776745), (123, 448365), (205, 269019), (213, 258915), (355, 155349), (369, 149455), (421, 130995), (615, 89673), (639, 86305), (1065, 51783), (1263, 43665), (1845, 29891), (2105, 26199), (2911, 18945), (3195, 17261), (3789, 14555), (6315, 8733)]