38421579

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{353}}^1$

素因数の和:507

約数の個数: 32

約数和(自身を含む): 60355584

約数和(自身を除く): 21934005

約数列:

[1, 3, 7, 21, 71, 73, 213, 219, 353, 497, 511, 1059, 1491, 1533, 2471, 5183, 7413, 15549, 25063, 25769, 36281, 75189, 77307, 108843, 175441, 180383, 526323, 541149, 1829599, 5488797, 12807193, 38421579]

約数ペア:

[(1, 38421579), (3, 12807193), (7, 5488797), (21, 1829599), (71, 541149), (73, 526323), (213, 180383), (219, 175441), (353, 108843), (497, 77307), (511, 75189), (1059, 36281), (1491, 25769), (1533, 25063), (2471, 15549), (5183, 7413)]