55040625

素因数分解:

$3^2\times 5^5\times {\mathrm{19}}^1\times {\mathrm{103}}^1$

素因数の和:153

約数の個数: 72

約数和(自身を含む): 105618240

約数和(自身を除く): 50577615

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 103, 125, 171, 225, 285, 309, 375, 475, 515, 625, 855, 927, 1125, 1425, 1545, 1875, 1957, 2375, 2575, 3125, 4275, 4635, 5625, 5871, 7125, 7725, 9375, 9785, 11875, 12875, 17613, 21375, 23175, 28125, 29355, 35625, 38625, 48925, 59375, 64375, 88065, 106875, 115875, 146775, 178125, 193125, 244625, 321875, 440325, 534375, 579375, 733875, 965625, 1223125, 2201625, 2896875, 3669375, 6115625, 11008125, 18346875, 55040625]

約数ペア:

[(1, 55040625), (3, 18346875), (5, 11008125), (9, 6115625), (15, 3669375), (19, 2896875), (25, 2201625), (45, 1223125), (57, 965625), (75, 733875), (95, 579375), (103, 534375), (125, 440325), (171, 321875), (225, 244625), (285, 193125), (309, 178125), (375, 146775), (475, 115875), (515, 106875), (625, 88065), (855, 64375), (927, 59375), (1125, 48925), (1425, 38625), (1545, 35625), (1875, 29355), (1957, 28125), (2375, 23175), (2575, 21375), (3125, 17613), (4275, 12875), (4635, 11875), (5625, 9785), (5871, 9375), (7125, 7725)]