168142725

素因数分解:

$3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{353}}^1$

素因数の和:471

約数の個数: 72

約数和(自身を含む): 316709640

約数和(自身を除く): 148566915

約数列:

[1, 3, 5, 9, 15, 25, 29, 45, 73, 75, 87, 145, 219, 225, 261, 353, 365, 435, 657, 725, 1059, 1095, 1305, 1765, 1825, 2117, 2175, 3177, 3285, 5295, 5475, 6351, 6525, 8825, 10237, 10585, 15885, 16425, 19053, 25769, 26475, 30711, 31755, 51185, 52925, 77307, 79425, 92133, 95265, 128845, 153555, 158775, 231921, 255925, 386535, 460665, 476325, 644225, 747301, 767775, 1159605, 1932675, 2241903, 2303325, 3736505, 5798025, 6725709, 11209515, 18682525, 33628545, 56047575, 168142725]

約数ペア:

[(1, 168142725), (3, 56047575), (5, 33628545), (9, 18682525), (15, 11209515), (25, 6725709), (29, 5798025), (45, 3736505), (73, 2303325), (75, 2241903), (87, 1932675), (145, 1159605), (219, 767775), (225, 747301), (261, 644225), (353, 476325), (365, 460665), (435, 386535), (657, 255925), (725, 231921), (1059, 158775), (1095, 153555), (1305, 128845), (1765, 95265), (1825, 92133), (2117, 79425), (2175, 77307), (3177, 52925), (3285, 51185), (5295, 31755), (5475, 30711), (6351, 26475), (6525, 25769), (8825, 19053), (10237, 16425), (10585, 15885)]