138873405

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{313}}^1\times {\mathrm{2689}}^1$

素因数の和:3021

約数の個数: 32

約数和(自身を含む): 243262080

約数和(自身を除く): 104388675

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 313, 939, 1565, 2689, 3443, 4695, 8067, 10329, 13445, 17215, 29579, 40335, 51645, 88737, 147895, 443685, 841657, 2524971, 4208285, 9258227, 12624855, 27774681, 46291135, 138873405]

約数ペア:

[(1, 138873405), (3, 46291135), (5, 27774681), (11, 12624855), (15, 9258227), (33, 4208285), (55, 2524971), (165, 841657), (313, 443685), (939, 147895), (1565, 88737), (2689, 51645), (3443, 40335), (4695, 29579), (8067, 17215), (10329, 13445)]