218755875

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1951}}^1$

素因数の和:2005

約数の個数: 64

約数和(自身を含む): 409264128

約数和(自身を除く): 190508253

約数列:

[1, 3, 5, 13, 15, 23, 25, 39, 65, 69, 75, 115, 125, 195, 299, 325, 345, 375, 575, 897, 975, 1495, 1625, 1725, 1951, 2875, 4485, 4875, 5853, 7475, 8625, 9755, 22425, 25363, 29265, 37375, 44873, 48775, 76089, 112125, 126815, 134619, 146325, 224365, 243875, 380445, 583349, 634075, 673095, 731625, 1121825, 1750047, 1902225, 2916745, 3170375, 3365475, 5609125, 8750235, 9511125, 14583725, 16827375, 43751175, 72918625, 218755875]

約数ペア:

[(1, 218755875), (3, 72918625), (5, 43751175), (13, 16827375), (15, 14583725), (23, 9511125), (25, 8750235), (39, 5609125), (65, 3365475), (69, 3170375), (75, 2916745), (115, 1902225), (125, 1750047), (195, 1121825), (299, 731625), (325, 673095), (345, 634075), (375, 583349), (575, 380445), (897, 243875), (975, 224365), (1495, 146325), (1625, 134619), (1725, 126815), (1951, 112125), (2875, 76089), (4485, 48775), (4875, 44873), (5853, 37375), (7475, 29265), (8625, 25363), (9755, 22425)]