64648125

素因数分解:

$3^4\times 5^4\times {\mathrm{1277}}^1$

素因数の和:1309

約数の個数: 50

約数和(自身を含む): 120772278

約数和(自身を除く): 56124153

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 125, 135, 225, 375, 405, 625, 675, 1125, 1277, 1875, 2025, 3375, 3831, 5625, 6385, 10125, 11493, 16875, 19155, 31925, 34479, 50625, 57465, 95775, 103437, 159625, 172395, 287325, 478875, 517185, 798125, 861975, 1436625, 2394375, 2585925, 4309875, 7183125, 12929625, 21549375, 64648125]

約数ペア:

[(1, 64648125), (3, 21549375), (5, 12929625), (9, 7183125), (15, 4309875), (25, 2585925), (27, 2394375), (45, 1436625), (75, 861975), (81, 798125), (125, 517185), (135, 478875), (225, 287325), (375, 172395), (405, 159625), (625, 103437), (675, 95775), (1125, 57465), (1277, 50625), (1875, 34479), (2025, 31925), (3375, 19155), (3831, 16875), (5625, 11493), (6385, 10125)]