20174625

素因数分解:

$3^2\times 5^3\times {\mathrm{79}}^1\times {\mathrm{227}}^1$

素因数の和:327

約数の個数: 48

約数和(自身を含む): 36990720

約数和(自身を除く): 16816095

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 79, 125, 225, 227, 237, 375, 395, 681, 711, 1125, 1135, 1185, 1975, 2043, 3405, 3555, 5675, 5925, 9875, 10215, 17025, 17775, 17933, 28375, 29625, 51075, 53799, 85125, 88875, 89665, 161397, 255375, 268995, 448325, 806985, 1344975, 2241625, 4034925, 6724875, 20174625]

約数ペア:

[(1, 20174625), (3, 6724875), (5, 4034925), (9, 2241625), (15, 1344975), (25, 806985), (45, 448325), (75, 268995), (79, 255375), (125, 161397), (225, 89665), (227, 88875), (237, 85125), (375, 53799), (395, 51075), (681, 29625), (711, 28375), (1125, 17933), (1135, 17775), (1185, 17025), (1975, 10215), (2043, 9875), (3405, 5925), (3555, 5675)]