15515145

素因数分解:

$3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1321}}^1$

素因数の和:1367

約数の個数: 40

約数和(自身を含む): 28793160

約数和(自身を除く): 13278015

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 81, 87, 135, 145, 261, 405, 435, 783, 1305, 1321, 2349, 3915, 3963, 6605, 11745, 11889, 19815, 35667, 38309, 59445, 107001, 114927, 178335, 191545, 344781, 535005, 574635, 1034343, 1723905, 3103029, 5171715, 15515145]

約数ペア:

[(1, 15515145), (3, 5171715), (5, 3103029), (9, 1723905), (15, 1034343), (27, 574635), (29, 535005), (45, 344781), (81, 191545), (87, 178335), (135, 114927), (145, 107001), (261, 59445), (405, 38309), (435, 35667), (783, 19815), (1305, 11889), (1321, 11745), (2349, 6605), (3915, 3963)]