28621125

素因数分解:

$3^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1$

素因数の和:156

約数の個数: 96

約数和(自身を含む): 59055360

約数和(自身を除く): 30434235

約数列:

[1, 3, 5, 9, 13, 15, 19, 25, 39, 45, 57, 65, 75, 95, 103, 117, 125, 171, 195, 225, 247, 285, 309, 325, 375, 475, 515, 585, 741, 855, 927, 975, 1125, 1235, 1339, 1425, 1545, 1625, 1957, 2223, 2375, 2575, 2925, 3705, 4017, 4275, 4635, 4875, 5871, 6175, 6695, 7125, 7725, 9785, 11115, 12051, 12875, 14625, 17613, 18525, 20085, 21375, 23175, 25441, 29355, 30875, 33475, 38625, 48925, 55575, 60255, 76323, 88065, 92625, 100425, 115875, 127205, 146775, 167375, 228969, 244625, 277875, 301275, 381615, 440325, 502125, 636025, 733875, 1144845, 1506375, 1908075, 2201625, 3180125, 5724225, 9540375, 28621125]

約数ペア:

[(1, 28621125), (3, 9540375), (5, 5724225), (9, 3180125), (13, 2201625), (15, 1908075), (19, 1506375), (25, 1144845), (39, 733875), (45, 636025), (57, 502125), (65, 440325), (75, 381615), (95, 301275), (103, 277875), (117, 244625), (125, 228969), (171, 167375), (195, 146775), (225, 127205), (247, 115875), (285, 100425), (309, 92625), (325, 88065), (375, 76323), (475, 60255), (515, 55575), (585, 48925), (741, 38625), (855, 33475), (927, 30875), (975, 29355), (1125, 25441), (1235, 23175), (1339, 21375), (1425, 20085), (1545, 18525), (1625, 17613), (1957, 14625), (2223, 12875), (2375, 12051), (2575, 11115), (2925, 9785), (3705, 7725), (4017, 7125), (4275, 6695), (4635, 6175), (4875, 5871)]