201891405

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{379}}^1\times {\mathrm{2089}}^1$

素因数の和:2493

約数の個数: 32

約数和(自身を含む): 343094400

約数和(自身を除く): 141202995

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 379, 1137, 1895, 2089, 5685, 6267, 6443, 10445, 19329, 31335, 32215, 35513, 96645, 106539, 177565, 532695, 791731, 2375193, 3958655, 11875965, 13459427, 40378281, 67297135, 201891405]

約数ペア:

[(1, 201891405), (3, 67297135), (5, 40378281), (15, 13459427), (17, 11875965), (51, 3958655), (85, 2375193), (255, 791731), (379, 532695), (1137, 177565), (1895, 106539), (2089, 96645), (5685, 35513), (6267, 32215), (6443, 31335), (10445, 19329)]