388071945

素因数分解:

$3^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{25439}}^1$

素因数の和:25566

約数の個数: 32

約数和(自身を含む): 696038400

約数和(自身を除く): 307966455

約数列:

[1, 3, 5, 9, 15, 27, 45, 113, 135, 339, 565, 1017, 1695, 3051, 5085, 15255, 25439, 76317, 127195, 228951, 381585, 686853, 1144755, 2874607, 3434265, 8623821, 14373035, 25871463, 43119105, 77614389, 129357315, 388071945]

約数ペア:

[(1, 388071945), (3, 129357315), (5, 77614389), (9, 43119105), (15, 25871463), (27, 14373035), (45, 8623821), (113, 3434265), (135, 2874607), (339, 1144755), (565, 686853), (1017, 381585), (1695, 228951), (3051, 127195), (5085, 76317), (15255, 25439)]