28923075

素因数分解:

$3^7\times 5^2\times {\mathrm{23}}^2$

素因数の和:77

約数の個数: 72

約数和(自身を含む): 56229040

約数和(自身を除く): 27305965

約数列:

[1, 3, 5, 9, 15, 23, 25, 27, 45, 69, 75, 81, 115, 135, 207, 225, 243, 345, 405, 529, 575, 621, 675, 729, 1035, 1215, 1587, 1725, 1863, 2025, 2187, 2645, 3105, 3645, 4761, 5175, 5589, 6075, 7935, 9315, 10935, 13225, 14283, 15525, 16767, 18225, 23805, 27945, 39675, 42849, 46575, 50301, 54675, 71415, 83835, 119025, 128547, 139725, 214245, 251505, 357075, 385641, 419175, 642735, 1071225, 1156923, 1257525, 1928205, 3213675, 5784615, 9641025, 28923075]

約数ペア:

[(1, 28923075), (3, 9641025), (5, 5784615), (9, 3213675), (15, 1928205), (23, 1257525), (25, 1156923), (27, 1071225), (45, 642735), (69, 419175), (75, 385641), (81, 357075), (115, 251505), (135, 214245), (207, 139725), (225, 128547), (243, 119025), (345, 83835), (405, 71415), (529, 54675), (575, 50301), (621, 46575), (675, 42849), (729, 39675), (1035, 27945), (1215, 23805), (1587, 18225), (1725, 16767), (1863, 15525), (2025, 14283), (2187, 13225), (2645, 10935), (3105, 9315), (3645, 7935), (4761, 6075), (5175, 5589)]