210865785

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{2441}}^1$

素因数の和:2905

約数の個数: 32

約数和(自身を含む): 364307328

約数和(自身を除く): 153441543

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 443, 1329, 2215, 2441, 5759, 6645, 7323, 12205, 17277, 28795, 31733, 36615, 86385, 95199, 158665, 475995, 1081363, 3244089, 5406815, 14057719, 16220445, 42173157, 70288595, 210865785]

約数ペア:

[(1, 210865785), (3, 70288595), (5, 42173157), (13, 16220445), (15, 14057719), (39, 5406815), (65, 3244089), (195, 1081363), (443, 475995), (1329, 158665), (2215, 95199), (2441, 86385), (5759, 36615), (6645, 31733), (7323, 28795), (12205, 17277)]