81718449

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{449}}^1$

素因数の和:605

約数の個数: 32

約数和(自身を含む): 119808000

約数和(自身を除く): 38089551

約数列:

[1, 3, 19, 31, 57, 93, 103, 309, 449, 589, 1347, 1767, 1957, 3193, 5871, 8531, 9579, 13919, 25593, 41757, 46247, 60667, 138741, 182001, 264461, 793383, 878693, 1433657, 2636079, 4300971, 27239483, 81718449]

約数ペア:

[(1, 81718449), (3, 27239483), (19, 4300971), (31, 2636079), (57, 1433657), (93, 878693), (103, 793383), (309, 264461), (449, 182001), (589, 138741), (1347, 60667), (1767, 46247), (1957, 41757), (3193, 25593), (5871, 13919), (8531, 9579)]