18676725

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1$

素因数の和:350

約数の個数: 48

約数和(自身を含む): 33093120

約数和(自身を除く): 14416395

約数列:

[1, 3, 5, 15, 25, 29, 31, 75, 87, 93, 145, 155, 277, 435, 465, 725, 775, 831, 899, 1385, 2175, 2325, 2697, 4155, 4495, 6925, 8033, 8587, 13485, 20775, 22475, 24099, 25761, 40165, 42935, 67425, 120495, 128805, 200825, 214675, 249023, 602475, 644025, 747069, 1245115, 3735345, 6225575, 18676725]

約数ペア:

[(1, 18676725), (3, 6225575), (5, 3735345), (15, 1245115), (25, 747069), (29, 644025), (31, 602475), (75, 249023), (87, 214675), (93, 200825), (145, 128805), (155, 120495), (277, 67425), (435, 42935), (465, 40165), (725, 25761), (775, 24099), (831, 22475), (899, 20775), (1385, 13485), (2175, 8587), (2325, 8033), (2697, 6925), (4155, 4495)]