218753625

素因数分解:

$3^1\times 5^3\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:283

約数の個数: 64

約数和(自身を含む): 377904384

約数和(自身を除く): 159150759

約数列:

[1, 3, 5, 15, 25, 61, 73, 75, 125, 131, 183, 219, 305, 365, 375, 393, 655, 915, 1095, 1525, 1825, 1965, 3275, 4453, 4575, 5475, 7625, 7991, 9125, 9563, 9825, 13359, 16375, 22265, 22875, 23973, 27375, 28689, 39955, 47815, 49125, 66795, 111325, 119865, 143445, 199775, 239075, 333975, 556625, 583343, 599325, 717225, 998875, 1195375, 1669875, 1750029, 2916715, 2996625, 3586125, 8750145, 14583575, 43750725, 72917875, 218753625]

約数ペア:

[(1, 218753625), (3, 72917875), (5, 43750725), (15, 14583575), (25, 8750145), (61, 3586125), (73, 2996625), (75, 2916715), (125, 1750029), (131, 1669875), (183, 1195375), (219, 998875), (305, 717225), (365, 599325), (375, 583343), (393, 556625), (655, 333975), (915, 239075), (1095, 199775), (1525, 143445), (1825, 119865), (1965, 111325), (3275, 66795), (4453, 49125), (4575, 47815), (5475, 39955), (7625, 28689), (7991, 27375), (9125, 23973), (9563, 22875), (9825, 22265), (13359, 16375)]