28964475

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{193}}^1$

素因数の和:261

約数の個数: 72

約数和(自身を含む): 56291040

約数和(自身を除く): 27326565

約数列:

[1, 3, 5, 9, 15, 23, 25, 29, 45, 69, 75, 87, 115, 145, 193, 207, 225, 261, 345, 435, 575, 579, 667, 725, 965, 1035, 1305, 1725, 1737, 2001, 2175, 2895, 3335, 4439, 4825, 5175, 5597, 6003, 6525, 8685, 10005, 13317, 14475, 16675, 16791, 22195, 27985, 30015, 39951, 43425, 50025, 50373, 66585, 83955, 110975, 128731, 139925, 150075, 199755, 251865, 332925, 386193, 419775, 643655, 998775, 1158579, 1259325, 1930965, 3218275, 5792895, 9654825, 28964475]

約数ペア:

[(1, 28964475), (3, 9654825), (5, 5792895), (9, 3218275), (15, 1930965), (23, 1259325), (25, 1158579), (29, 998775), (45, 643655), (69, 419775), (75, 386193), (87, 332925), (115, 251865), (145, 199755), (193, 150075), (207, 139925), (225, 128731), (261, 110975), (345, 83955), (435, 66585), (575, 50373), (579, 50025), (667, 43425), (725, 39951), (965, 30015), (1035, 27985), (1305, 22195), (1725, 16791), (1737, 16675), (2001, 14475), (2175, 13317), (2895, 10005), (3335, 8685), (4439, 6525), (4825, 6003), (5175, 5597)]