81083925

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1459}}^1$

素因数の和:1507

約数の個数: 72

約数和(自身を含む): 164746400

約数和(自身を除く): 83662475

約数列:

[1, 3, 5, 9, 13, 15, 19, 25, 39, 45, 57, 65, 75, 95, 117, 171, 195, 225, 247, 285, 325, 475, 585, 741, 855, 975, 1235, 1425, 1459, 2223, 2925, 3705, 4275, 4377, 6175, 7295, 11115, 13131, 18525, 18967, 21885, 27721, 36475, 55575, 56901, 65655, 83163, 94835, 109425, 138605, 170703, 249489, 284505, 328275, 360373, 415815, 474175, 693025, 853515, 1081119, 1247445, 1422525, 1801865, 2079075, 3243357, 4267575, 5405595, 6237225, 9009325, 16216785, 27027975, 81083925]

約数ペア:

[(1, 81083925), (3, 27027975), (5, 16216785), (9, 9009325), (13, 6237225), (15, 5405595), (19, 4267575), (25, 3243357), (39, 2079075), (45, 1801865), (57, 1422525), (65, 1247445), (75, 1081119), (95, 853515), (117, 693025), (171, 474175), (195, 415815), (225, 360373), (247, 328275), (285, 284505), (325, 249489), (475, 170703), (585, 138605), (741, 109425), (855, 94835), (975, 83163), (1235, 65655), (1425, 56901), (1459, 55575), (2223, 36475), (2925, 27721), (3705, 21885), (4275, 18967), (4377, 18525), (6175, 13131), (7295, 11115)]