507941421

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{2731}}^1$

素因数の和:3017

約数の個数: 32

約数和(自身を含む): 771079680

約数和(自身を除く): 263138259

約数列:

[1, 3, 13, 19, 39, 57, 247, 251, 741, 753, 2731, 3263, 4769, 8193, 9789, 14307, 35503, 51889, 61997, 106509, 155667, 185991, 674557, 685481, 2023671, 2056443, 8911253, 13024139, 26733759, 39072417, 169313807, 507941421]

約数ペア:

[(1, 507941421), (3, 169313807), (13, 39072417), (19, 26733759), (39, 13024139), (57, 8911253), (247, 2056443), (251, 2023671), (741, 685481), (753, 674557), (2731, 185991), (3263, 155667), (4769, 106509), (8193, 61997), (9789, 51889), (14307, 35503)]