47221875

素因数分解:

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

素因数の和:127

約数の個数: 72

約数和(自身を含む): 90181728

約数和(自身を除く): 42959853

約数列:

[1, 3, 5, 9, 15, 23, 25, 45, 69, 73, 75, 115, 125, 207, 219, 225, 345, 365, 375, 575, 625, 657, 1035, 1095, 1125, 1679, 1725, 1825, 1875, 2875, 3125, 3285, 5037, 5175, 5475, 5625, 8395, 8625, 9125, 9375, 14375, 15111, 16425, 25185, 25875, 27375, 28125, 41975, 43125, 45625, 71875, 75555, 82125, 125925, 129375, 136875, 209875, 215625, 228125, 377775, 410625, 629625, 646875, 684375, 1049375, 1888875, 2053125, 3148125, 5246875, 9444375, 15740625, 47221875]

約数ペア:

[(1, 47221875), (3, 15740625), (5, 9444375), (9, 5246875), (15, 3148125), (23, 2053125), (25, 1888875), (45, 1049375), (69, 684375), (73, 646875), (75, 629625), (115, 410625), (125, 377775), (207, 228125), (219, 215625), (225, 209875), (345, 136875), (365, 129375), (375, 125925), (575, 82125), (625, 75555), (657, 71875), (1035, 45625), (1095, 43125), (1125, 41975), (1679, 28125), (1725, 27375), (1825, 25875), (1875, 25185), (2875, 16425), (3125, 15111), (3285, 14375), (5037, 9375), (5175, 9125), (5475, 8625), (5625, 8395)]