649331319

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{22229}}^1$

素因数の和:22359

約数の個数: 32

約数和(自身を含む): 1075576320

約数和(自身を除く): 426245001

約数列:

[1, 3, 7, 13, 21, 39, 91, 107, 273, 321, 749, 1391, 2247, 4173, 9737, 22229, 29211, 66687, 155603, 288977, 466809, 866931, 2022839, 2378503, 6068517, 7135509, 16649521, 30920539, 49948563, 92761617, 216443773, 649331319]

約数ペア:

[(1, 649331319), (3, 216443773), (7, 92761617), (13, 49948563), (21, 30920539), (39, 16649521), (91, 7135509), (107, 6068517), (273, 2378503), (321, 2022839), (749, 866931), (1391, 466809), (2247, 288977), (4173, 155603), (9737, 66687), (22229, 29211)]