21734375

素因数分解:

$5^6\times {\mathrm{13}}^1\times {\mathrm{107}}^1$

素因数の和:150

約数の個数: 28

約数和(自身を含む): 29530872

約数和(自身を除く): 7796497

約数列:

[1, 5, 13, 25, 65, 107, 125, 325, 535, 625, 1391, 1625, 2675, 3125, 6955, 8125, 13375, 15625, 34775, 40625, 66875, 173875, 203125, 334375, 869375, 1671875, 4346875, 21734375]

約数ペア:

[(1, 21734375), (5, 4346875), (13, 1671875), (25, 869375), (65, 334375), (107, 203125), (125, 173875), (325, 66875), (535, 40625), (625, 34775), (1391, 15625), (1625, 13375), (2675, 8125), (3125, 6955)]