81169695

素因数分解:

$3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{6911}}^1$

素因数の和:6957

約数の個数: 40

約数和(自身を含む): 150543360

約数和(自身を除く): 69373665

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 81, 87, 135, 145, 261, 405, 435, 783, 1305, 2349, 3915, 6911, 11745, 20733, 34555, 62199, 103665, 186597, 200419, 310995, 559791, 601257, 932985, 1002095, 1803771, 2798955, 3006285, 5411313, 9018855, 16233939, 27056565, 81169695]

約数ペア:

[(1, 81169695), (3, 27056565), (5, 16233939), (9, 9018855), (15, 5411313), (27, 3006285), (29, 2798955), (45, 1803771), (81, 1002095), (87, 932985), (135, 601257), (145, 559791), (261, 310995), (405, 200419), (435, 186597), (783, 103665), (1305, 62199), (2349, 34555), (3915, 20733), (6911, 11745)]