71333775

素因数分解:

$3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:233

約数の個数: 72

約数和(自身を含む): 133841136

約数和(自身を除く): 62507361

約数列:

[1, 3, 5, 9, 15, 25, 43, 45, 73, 75, 101, 129, 215, 219, 225, 303, 365, 387, 505, 645, 657, 909, 1075, 1095, 1515, 1825, 1935, 2525, 3139, 3225, 3285, 4343, 4545, 5475, 7373, 7575, 9417, 9675, 13029, 15695, 16425, 21715, 22119, 22725, 28251, 36865, 39087, 47085, 65145, 66357, 78475, 108575, 110595, 141255, 184325, 195435, 235425, 317039, 325725, 331785, 552975, 706275, 951117, 977175, 1585195, 1658925, 2853351, 4755585, 7925975, 14266755, 23777925, 71333775]

約数ペア:

[(1, 71333775), (3, 23777925), (5, 14266755), (9, 7925975), (15, 4755585), (25, 2853351), (43, 1658925), (45, 1585195), (73, 977175), (75, 951117), (101, 706275), (129, 552975), (215, 331785), (219, 325725), (225, 317039), (303, 235425), (365, 195435), (387, 184325), (505, 141255), (645, 110595), (657, 108575), (909, 78475), (1075, 66357), (1095, 65145), (1515, 47085), (1825, 39087), (1935, 36865), (2525, 28251), (3139, 22725), (3225, 22119), (3285, 21715), (4343, 16425), (4545, 15695), (5475, 13029), (7373, 9675), (7575, 9417)]