81100845

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{28607}}^1$

素因数の和:28631

約数の個数: 40

約数和(自身を含む): 166155264

約数和(自身を除く): 85054419

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 945, 2835, 28607, 85821, 143035, 200249, 257463, 429105, 600747, 772389, 1001245, 1287315, 1802241, 2317167, 3003735, 3861945, 5406723, 9011205, 11585835, 16220169, 27033615, 81100845]

約数ペア:

[(1, 81100845), (3, 27033615), (5, 16220169), (7, 11585835), (9, 9011205), (15, 5406723), (21, 3861945), (27, 3003735), (35, 2317167), (45, 1802241), (63, 1287315), (81, 1001245), (105, 772389), (135, 600747), (189, 429105), (315, 257463), (405, 200249), (567, 143035), (945, 85821), (2835, 28607)]