99908995

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{3659}}^1$

素因数の和:3834

約数の個数: 16

約数和(自身を含む): 123678720

約数和(自身を除く): 23769725

約数列:

[1, 5, 43, 127, 215, 635, 3659, 5461, 18295, 27305, 157337, 464693, 786685, 2323465, 19981799, 99908995]

約数ペア:

[(1, 99908995), (5, 19981799), (43, 2323465), (127, 786685), (215, 464693), (635, 157337), (3659, 27305), (5461, 18295)]