25723665

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{331}}^1$

素因数の和:510

約数の個数: 48

約数和(自身を含む): 49098816

約数和(自身を除く): 23375151

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 157, 165, 331, 471, 495, 785, 993, 1413, 1655, 1727, 2355, 2979, 3641, 4965, 5181, 7065, 8635, 10923, 14895, 15543, 18205, 25905, 32769, 51967, 54615, 77715, 155901, 163845, 259835, 467703, 571637, 779505, 1714911, 2338515, 2858185, 5144733, 8574555, 25723665]

約数ペア:

[(1, 25723665), (3, 8574555), (5, 5144733), (9, 2858185), (11, 2338515), (15, 1714911), (33, 779505), (45, 571637), (55, 467703), (99, 259835), (157, 163845), (165, 155901), (331, 77715), (471, 54615), (495, 51967), (785, 32769), (993, 25905), (1413, 18205), (1655, 15543), (1727, 14895), (2355, 10923), (2979, 8635), (3641, 7065), (4965, 5181)]