27988125

素因数分解:

$3^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1$

素因数の和:116

約数の個数: 80

約数和(自身を含む): 53982720

約数和(自身を除く): 25994595

約数列:

[1, 3, 5, 11, 15, 23, 25, 33, 55, 59, 69, 75, 115, 125, 165, 177, 253, 275, 295, 345, 375, 575, 625, 649, 759, 825, 885, 1265, 1357, 1375, 1475, 1725, 1875, 1947, 2875, 3245, 3795, 4071, 4125, 4425, 6325, 6785, 6875, 7375, 8625, 9735, 14375, 14927, 16225, 18975, 20355, 20625, 22125, 31625, 33925, 36875, 43125, 44781, 48675, 74635, 81125, 94875, 101775, 110625, 158125, 169625, 223905, 243375, 373175, 405625, 474375, 508875, 848125, 1119525, 1216875, 1865875, 2544375, 5597625, 9329375, 27988125]

約数ペア:

[(1, 27988125), (3, 9329375), (5, 5597625), (11, 2544375), (15, 1865875), (23, 1216875), (25, 1119525), (33, 848125), (55, 508875), (59, 474375), (69, 405625), (75, 373175), (115, 243375), (125, 223905), (165, 169625), (177, 158125), (253, 110625), (275, 101775), (295, 94875), (345, 81125), (375, 74635), (575, 48675), (625, 44781), (649, 43125), (759, 36875), (825, 33925), (885, 31625), (1265, 22125), (1357, 20625), (1375, 20355), (1475, 18975), (1725, 16225), (1875, 14927), (1947, 14375), (2875, 9735), (3245, 8625), (3795, 7375), (4071, 6875), (4125, 6785), (4425, 6325)]