28417455

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{307}}^1$

素因数の和:357

約数の個数: 72

約数和(自身を含む): 57513456

約数和(自身を除く): 29096001

約数列:

[1, 3, 5, 9, 11, 15, 17, 33, 45, 51, 55, 85, 99, 121, 153, 165, 187, 255, 307, 363, 495, 561, 605, 765, 921, 935, 1089, 1535, 1683, 1815, 2057, 2763, 2805, 3377, 4605, 5219, 5445, 6171, 8415, 10131, 10285, 13815, 15657, 16885, 18513, 26095, 30393, 30855, 37147, 46971, 50655, 57409, 78285, 92565, 111441, 151965, 172227, 185735, 234855, 287045, 334323, 516681, 557205, 631499, 861135, 1671615, 1894497, 2583405, 3157495, 5683491, 9472485, 28417455]

約数ペア:

[(1, 28417455), (3, 9472485), (5, 5683491), (9, 3157495), (11, 2583405), (15, 1894497), (17, 1671615), (33, 861135), (45, 631499), (51, 557205), (55, 516681), (85, 334323), (99, 287045), (121, 234855), (153, 185735), (165, 172227), (187, 151965), (255, 111441), (307, 92565), (363, 78285), (495, 57409), (561, 50655), (605, 46971), (765, 37147), (921, 30855), (935, 30393), (1089, 26095), (1535, 18513), (1683, 16885), (1815, 15657), (2057, 13815), (2763, 10285), (2805, 10131), (3377, 8415), (4605, 6171), (5219, 5445)]