248953725

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{659}}^1$

素因数の和:771

約数の個数: 72

約数和(自身を含む): 472380480

約数和(自身を除く): 223426755

約数列:

[1, 3, 5, 9, 15, 23, 25, 45, 69, 73, 75, 115, 207, 219, 225, 345, 365, 575, 657, 659, 1035, 1095, 1679, 1725, 1825, 1977, 3285, 3295, 5037, 5175, 5475, 5931, 8395, 9885, 15111, 15157, 16425, 16475, 25185, 29655, 41975, 45471, 48107, 49425, 75555, 75785, 125925, 136413, 144321, 148275, 227355, 240535, 377775, 378925, 432963, 682065, 721605, 1106461, 1136775, 1202675, 2164815, 3319383, 3410325, 3608025, 5532305, 9958149, 10824075, 16596915, 27661525, 49790745, 82984575, 248953725]

約数ペア:

[(1, 248953725), (3, 82984575), (5, 49790745), (9, 27661525), (15, 16596915), (23, 10824075), (25, 9958149), (45, 5532305), (69, 3608025), (73, 3410325), (75, 3319383), (115, 2164815), (207, 1202675), (219, 1136775), (225, 1106461), (345, 721605), (365, 682065), (575, 432963), (657, 378925), (659, 377775), (1035, 240535), (1095, 227355), (1679, 148275), (1725, 144321), (1825, 136413), (1977, 125925), (3285, 75785), (3295, 75555), (5037, 49425), (5175, 48107), (5475, 45471), (5931, 41975), (8395, 29655), (9885, 25185), (15111, 16475), (15157, 16425)]