221565885

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{269}}^1\times {\mathrm{1277}}^1$

素因数の和:1597

約数の個数: 32

約数和(自身を含む): 364383360

約数和(自身を除く): 142817475

約数列:

[1, 3, 5, 15, 43, 129, 215, 269, 645, 807, 1277, 1345, 3831, 4035, 6385, 11567, 19155, 34701, 54911, 57835, 164733, 173505, 274555, 343513, 823665, 1030539, 1717565, 5152695, 14771059, 44313177, 73855295, 221565885]

約数ペア:

[(1, 221565885), (3, 73855295), (5, 44313177), (15, 14771059), (43, 5152695), (129, 1717565), (215, 1030539), (269, 823665), (645, 343513), (807, 274555), (1277, 173505), (1345, 164733), (3831, 57835), (4035, 54911), (6385, 34701), (11567, 19155)]