15613965

素因数分解:

$3^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 28619136

約数和(自身を除く): 13005171

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 81, 135, 181, 213, 243, 355, 405, 543, 639, 905, 1065, 1215, 1629, 1917, 2715, 3195, 4887, 5751, 8145, 9585, 12851, 14661, 17253, 24435, 28755, 38553, 43983, 64255, 73305, 86265, 115659, 192765, 219915, 346977, 578295, 1040931, 1734885, 3122793, 5204655, 15613965]

約数ペア:

[(1, 15613965), (3, 5204655), (5, 3122793), (9, 1734885), (15, 1040931), (27, 578295), (45, 346977), (71, 219915), (81, 192765), (135, 115659), (181, 86265), (213, 73305), (243, 64255), (355, 43983), (405, 38553), (543, 28755), (639, 24435), (905, 17253), (1065, 14661), (1215, 12851), (1629, 9585), (1917, 8145), (2715, 5751), (3195, 4887)]