25393995

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^2\times {\mathrm{61}}^1$

素因数の和:141

約数の個数: 72

約数和(自身を含む): 50545872

約数和(自身を除く): 25151877

約数列:

[1, 3, 5, 9, 11, 15, 29, 33, 45, 55, 61, 87, 99, 145, 165, 183, 261, 305, 319, 435, 495, 549, 671, 841, 915, 957, 1305, 1595, 1769, 2013, 2523, 2745, 2871, 3355, 4205, 4785, 5307, 6039, 7569, 8845, 9251, 10065, 12615, 14355, 15921, 19459, 26535, 27753, 30195, 37845, 46255, 51301, 58377, 79605, 83259, 97295, 138765, 153903, 175131, 256505, 291885, 416295, 461709, 564311, 769515, 875655, 1692933, 2308545, 2821555, 5078799, 8464665, 25393995]

約数ペア:

[(1, 25393995), (3, 8464665), (5, 5078799), (9, 2821555), (11, 2308545), (15, 1692933), (29, 875655), (33, 769515), (45, 564311), (55, 461709), (61, 416295), (87, 291885), (99, 256505), (145, 175131), (165, 153903), (183, 138765), (261, 97295), (305, 83259), (319, 79605), (435, 58377), (495, 51301), (549, 46255), (671, 37845), (841, 30195), (915, 27753), (957, 26535), (1305, 19459), (1595, 15921), (1769, 14355), (2013, 12615), (2523, 10065), (2745, 9251), (2871, 8845), (3355, 7569), (4205, 6039), (4785, 5307)]