25151013

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{199}}^1$

素因数の和:390

約数の個数: 32

約数和(自身を含む): 38912000

約数和(自身を除く): 13760987

約数列:

[1, 3, 9, 27, 31, 93, 151, 199, 279, 453, 597, 837, 1359, 1791, 4077, 4681, 5373, 6169, 14043, 18507, 30049, 42129, 55521, 90147, 126387, 166563, 270441, 811323, 931519, 2794557, 8383671, 25151013]

約数ペア:

[(1, 25151013), (3, 8383671), (9, 2794557), (27, 931519), (31, 811323), (93, 270441), (151, 166563), (199, 126387), (279, 90147), (453, 55521), (597, 42129), (837, 30049), (1359, 18507), (1791, 14043), (4077, 6169), (4681, 5373)]