71326899

素因数分解:

$3^4\times 7^2\times {\mathrm{17971}}^1$

素因数の和:17997

約数の個数: 30

約数和(自身を含む): 123952884

約数和(自身を除く): 52625985

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 17971, 53913, 125797, 161739, 377391, 485217, 880579, 1132173, 1455651, 2641737, 3396519, 7925211, 10189557, 23775633, 71326899]

約数ペア:

[(1, 71326899), (3, 23775633), (7, 10189557), (9, 7925211), (21, 3396519), (27, 2641737), (49, 1455651), (63, 1132173), (81, 880579), (147, 485217), (189, 377391), (441, 161739), (567, 125797), (1323, 53913), (3969, 17971)]