38921175

素因数分解:

$3^3\times 5^2\times {\mathrm{23}}^2\times {\mathrm{109}}^1$

素因数の和:174

約数の個数: 72

約数和(自身を含む): 75429200

約数和(自身を除く): 36508025

約数列:

[1, 3, 5, 9, 15, 23, 25, 27, 45, 69, 75, 109, 115, 135, 207, 225, 327, 345, 529, 545, 575, 621, 675, 981, 1035, 1587, 1635, 1725, 2507, 2645, 2725, 2943, 3105, 4761, 4905, 5175, 7521, 7935, 8175, 12535, 13225, 14283, 14715, 15525, 22563, 23805, 24525, 37605, 39675, 57661, 62675, 67689, 71415, 73575, 112815, 119025, 172983, 188025, 288305, 338445, 357075, 518949, 564075, 864915, 1441525, 1556847, 1692225, 2594745, 4324575, 7784235, 12973725, 38921175]

約数ペア:

[(1, 38921175), (3, 12973725), (5, 7784235), (9, 4324575), (15, 2594745), (23, 1692225), (25, 1556847), (27, 1441525), (45, 864915), (69, 564075), (75, 518949), (109, 357075), (115, 338445), (135, 288305), (207, 188025), (225, 172983), (327, 119025), (345, 112815), (529, 73575), (545, 71415), (575, 67689), (621, 62675), (675, 57661), (981, 39675), (1035, 37605), (1587, 24525), (1635, 23805), (1725, 22563), (2507, 15525), (2645, 14715), (2725, 14283), (2943, 13225), (3105, 12535), (4761, 8175), (4905, 7935), (5175, 7521)]