31194405

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{337}}^1$

素因数の和:387

約数の個数: 72

約数和(自身を含む): 63115416

約数和(自身を除く): 31921011

約数列:

[1, 3, 5, 9, 11, 15, 17, 33, 45, 51, 55, 85, 99, 121, 153, 165, 187, 255, 337, 363, 495, 561, 605, 765, 935, 1011, 1089, 1683, 1685, 1815, 2057, 2805, 3033, 3707, 5055, 5445, 5729, 6171, 8415, 10285, 11121, 15165, 17187, 18513, 18535, 28645, 30855, 33363, 40777, 51561, 55605, 63019, 85935, 92565, 122331, 166815, 189057, 203885, 257805, 315095, 366993, 567171, 611655, 693209, 945285, 1834965, 2079627, 2835855, 3466045, 6238881, 10398135, 31194405]

約数ペア:

[(1, 31194405), (3, 10398135), (5, 6238881), (9, 3466045), (11, 2835855), (15, 2079627), (17, 1834965), (33, 945285), (45, 693209), (51, 611655), (55, 567171), (85, 366993), (99, 315095), (121, 257805), (153, 203885), (165, 189057), (187, 166815), (255, 122331), (337, 92565), (363, 85935), (495, 63019), (561, 55605), (605, 51561), (765, 40777), (935, 33363), (1011, 30855), (1089, 28645), (1683, 18535), (1685, 18513), (1815, 17187), (2057, 15165), (2805, 11121), (3033, 10285), (3707, 8415), (5055, 6171), (5445, 5729)]