18157503

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{293}}^1$

素因数の和:543

約数の個数: 32

約数和(自身を含む): 30030336

約数和(自身を除く): 11872833

約数列:

[1, 3, 7, 13, 21, 39, 91, 227, 273, 293, 681, 879, 1589, 2051, 2951, 3809, 4767, 6153, 8853, 11427, 20657, 26663, 61971, 66511, 79989, 199533, 465577, 864643, 1396731, 2593929, 6052501, 18157503]

約数ペア:

[(1, 18157503), (3, 6052501), (7, 2593929), (13, 1396731), (21, 864643), (39, 465577), (91, 199533), (227, 79989), (273, 66511), (293, 61971), (681, 26663), (879, 20657), (1589, 11427), (2051, 8853), (2951, 6153), (3809, 4767)]