30311775

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{241}}^1$

素因数の和:313

約数の個数: 72

約数和(自身を含む): 60076016

約数和(自身を除く): 29764241

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 43, 45, 65, 75, 117, 129, 195, 215, 225, 241, 325, 387, 559, 585, 645, 723, 975, 1075, 1205, 1677, 1935, 2169, 2795, 2925, 3133, 3225, 3615, 5031, 6025, 8385, 9399, 9675, 10363, 10845, 13975, 15665, 18075, 25155, 28197, 31089, 41925, 46995, 51815, 54225, 78325, 93267, 125775, 134719, 140985, 155445, 234975, 259075, 404157, 466335, 673595, 704925, 777225, 1212471, 2020785, 2331675, 3367975, 6062355, 10103925, 30311775]

約数ペア:

[(1, 30311775), (3, 10103925), (5, 6062355), (9, 3367975), (13, 2331675), (15, 2020785), (25, 1212471), (39, 777225), (43, 704925), (45, 673595), (65, 466335), (75, 404157), (117, 259075), (129, 234975), (195, 155445), (215, 140985), (225, 134719), (241, 125775), (325, 93267), (387, 78325), (559, 54225), (585, 51815), (645, 46995), (723, 41925), (975, 31089), (1075, 28197), (1205, 25155), (1677, 18075), (1935, 15665), (2169, 13975), (2795, 10845), (2925, 10363), (3133, 9675), (3225, 9399), (3615, 8385), (5031, 6025)]