30739947

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{389}}^1$

素因数の和:523

約数の個数: 32

約数和(自身を含む): 48522240

約数和(自身を除く): 17782293

約数列:

[1, 3, 7, 21, 53, 71, 159, 213, 371, 389, 497, 1113, 1167, 1491, 2723, 3763, 8169, 11289, 20617, 26341, 27619, 61851, 79023, 82857, 144319, 193333, 432957, 579999, 1463807, 4391421, 10246649, 30739947]

約数ペア:

[(1, 30739947), (3, 10246649), (7, 4391421), (21, 1463807), (53, 579999), (71, 432957), (159, 193333), (213, 144319), (371, 82857), (389, 79023), (497, 61851), (1113, 27619), (1167, 26341), (1491, 20617), (2723, 11289), (3763, 8169)]