1681623

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{379}}^1$

素因数の和:431

約数の個数: 24

約数和(自身を含む): 2667600

約数和(自身を除く): 985977

約数列:

[1, 3, 9, 17, 29, 51, 87, 153, 261, 379, 493, 1137, 1479, 3411, 4437, 6443, 10991, 19329, 32973, 57987, 98919, 186847, 560541, 1681623]

約数ペア:

[(1, 1681623), (3, 560541), (9, 186847), (17, 98919), (29, 57987), (51, 32973), (87, 19329), (153, 10991), (261, 6443), (379, 4437), (493, 3411), (1137, 1479)]