15987075

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{863}}^1$

素因数の和:908

約数の個数: 48

約数和(自身を含む): 29998080

約数和(自身を除く): 14011005

約数列:

[1, 3, 5, 13, 15, 19, 25, 39, 57, 65, 75, 95, 195, 247, 285, 325, 475, 741, 863, 975, 1235, 1425, 2589, 3705, 4315, 6175, 11219, 12945, 16397, 18525, 21575, 33657, 49191, 56095, 64725, 81985, 168285, 213161, 245955, 280475, 409925, 639483, 841425, 1065805, 1229775, 3197415, 5329025, 15987075]

約数ペア:

[(1, 15987075), (3, 5329025), (5, 3197415), (13, 1229775), (15, 1065805), (19, 841425), (25, 639483), (39, 409925), (57, 280475), (65, 245955), (75, 213161), (95, 168285), (195, 81985), (247, 64725), (285, 56095), (325, 49191), (475, 33657), (741, 21575), (863, 18525), (975, 16397), (1235, 12945), (1425, 11219), (2589, 6175), (3705, 4315)]