722709

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:122

約数の個数: 32

約数和(自身を含む): 1209600

約数和(自身を除く): 486891

約数列:

[1, 3, 9, 13, 27, 29, 39, 71, 87, 117, 213, 261, 351, 377, 639, 783, 923, 1131, 1917, 2059, 2769, 3393, 6177, 8307, 10179, 18531, 24921, 26767, 55593, 80301, 240903, 722709]

約数ペア:

[(1, 722709), (3, 240903), (9, 80301), (13, 55593), (27, 26767), (29, 24921), (39, 18531), (71, 10179), (87, 8307), (117, 6177), (213, 3393), (261, 2769), (351, 2059), (377, 1917), (639, 1131), (783, 923)]