7681425

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:170

約数の個数: 48

約数和(自身を含む): 13653888

約数和(自身を除く): 5972463

約数列:

[1, 3, 5, 15, 23, 25, 61, 69, 73, 75, 115, 183, 219, 305, 345, 365, 575, 915, 1095, 1403, 1525, 1679, 1725, 1825, 4209, 4453, 4575, 5037, 5475, 7015, 8395, 13359, 21045, 22265, 25185, 35075, 41975, 66795, 102419, 105225, 111325, 125925, 307257, 333975, 512095, 1536285, 2560475, 7681425]

約数ペア:

[(1, 7681425), (3, 2560475), (5, 1536285), (15, 512095), (23, 333975), (25, 307257), (61, 125925), (69, 111325), (73, 105225), (75, 102419), (115, 66795), (183, 41975), (219, 35075), (305, 25185), (345, 22265), (365, 21045), (575, 13359), (915, 8395), (1095, 7015), (1403, 5475), (1525, 5037), (1679, 4575), (1725, 4453), (1825, 4209)]