16547925

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 29248128

約数和(自身を除く): 12700203

約数列:

[1, 3, 5, 15, 23, 25, 53, 69, 75, 115, 159, 181, 265, 345, 543, 575, 795, 905, 1219, 1325, 1725, 2715, 3657, 3975, 4163, 4525, 6095, 9593, 12489, 13575, 18285, 20815, 28779, 30475, 47965, 62445, 91425, 104075, 143895, 220639, 239825, 312225, 661917, 719475, 1103195, 3309585, 5515975, 16547925]

約数ペア:

[(1, 16547925), (3, 5515975), (5, 3309585), (15, 1103195), (23, 719475), (25, 661917), (53, 312225), (69, 239825), (75, 220639), (115, 143895), (159, 104075), (181, 91425), (265, 62445), (345, 47965), (543, 30475), (575, 28779), (795, 20815), (905, 18285), (1219, 13575), (1325, 12489), (1725, 9593), (2715, 6095), (3657, 4525), (3975, 4163)]