155687025

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:283

約数の個数: 72

約数和(自身を含む): 284285376

約数和(自身を除く): 128598351

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 71, 75, 169, 173, 195, 213, 325, 355, 507, 519, 845, 865, 923, 975, 1065, 1775, 2249, 2535, 2595, 2769, 4225, 4325, 4615, 5325, 6747, 11245, 11999, 12283, 12675, 12975, 13845, 23075, 29237, 33735, 35997, 36849, 56225, 59995, 61415, 69225, 87711, 146185, 159679, 168675, 179985, 184245, 299975, 307075, 438555, 479037, 730925, 798395, 899925, 921225, 2075827, 2192775, 2395185, 3991975, 6227481, 10379135, 11975925, 31137405, 51895675, 155687025]

約数ペア:

[(1, 155687025), (3, 51895675), (5, 31137405), (13, 11975925), (15, 10379135), (25, 6227481), (39, 3991975), (65, 2395185), (71, 2192775), (75, 2075827), (169, 921225), (173, 899925), (195, 798395), (213, 730925), (325, 479037), (355, 438555), (507, 307075), (519, 299975), (845, 184245), (865, 179985), (923, 168675), (975, 159679), (1065, 146185), (1775, 87711), (2249, 69225), (2535, 61415), (2595, 59995), (2769, 56225), (4225, 36849), (4325, 35997), (4615, 33735), (5325, 29237), (6747, 23075), (11245, 13845), (11999, 12975), (12283, 12675)]