211380945

素因数分解:

$3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1\times {\mathrm{1109}}^1$

素因数の和:1345

約数の個数: 32

約数和(自身を含む): 344615040

約数和(自身を除く): 133234095

約数列:

[1, 3, 5, 15, 97, 131, 291, 393, 485, 655, 1109, 1455, 1965, 3327, 5545, 12707, 16635, 38121, 63535, 107573, 145279, 190605, 322719, 435837, 537865, 726395, 1613595, 2179185, 14092063, 42276189, 70460315, 211380945]

約数ペア:

[(1, 211380945), (3, 70460315), (5, 42276189), (15, 14092063), (97, 2179185), (131, 1613595), (291, 726395), (393, 537865), (485, 435837), (655, 322719), (1109, 190605), (1455, 145279), (1965, 107573), (3327, 63535), (5545, 38121), (12707, 16635)]