15890625

素因数分解:

$3^2\times 5^6\times {\mathrm{113}}^1$

素因数の和:149

約数の個数: 42

約数和(自身を含む): 28944942

約数和(自身を除く): 13054317

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 113, 125, 225, 339, 375, 565, 625, 1017, 1125, 1695, 1875, 2825, 3125, 5085, 5625, 8475, 9375, 14125, 15625, 25425, 28125, 42375, 46875, 70625, 127125, 140625, 211875, 353125, 635625, 1059375, 1765625, 3178125, 5296875, 15890625]

約数ペア:

[(1, 15890625), (3, 5296875), (5, 3178125), (9, 1765625), (15, 1059375), (25, 635625), (45, 353125), (75, 211875), (113, 140625), (125, 127125), (225, 70625), (339, 46875), (375, 42375), (565, 28125), (625, 25425), (1017, 15625), (1125, 14125), (1695, 9375), (1875, 8475), (2825, 5625), (3125, 5085)]