81616701

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1$

素因数の和:357

約数の個数: 32

約数和(自身を含む): 116363520

約数和(自身を除く): 34746819

約数列:

[1, 3, 29, 71, 73, 87, 181, 213, 219, 543, 2059, 2117, 5183, 5249, 6177, 6351, 12851, 13213, 15549, 15747, 38553, 39639, 150307, 372679, 383177, 450921, 938123, 1118037, 1149531, 2814369, 27205567, 81616701]

約数ペア:

[(1, 81616701), (3, 27205567), (29, 2814369), (71, 1149531), (73, 1118037), (87, 938123), (181, 450921), (213, 383177), (219, 372679), (543, 150307), (2059, 39639), (2117, 38553), (5183, 15747), (5249, 15549), (6177, 13213), (6351, 12851)]