17221391

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1$

素因数の和:215

約数の個数: 32

約数和(自身を含む): 21669120

約数和(自身を除く): 4447729

約数列:

[1, 11, 17, 19, 37, 131, 187, 209, 323, 407, 629, 703, 1441, 2227, 2489, 3553, 4847, 6919, 7733, 11951, 24497, 27379, 42313, 53317, 82399, 92093, 131461, 465443, 906389, 1013023, 1565581, 17221391]

約数ペア:

[(1, 17221391), (11, 1565581), (17, 1013023), (19, 906389), (37, 465443), (131, 131461), (187, 92093), (209, 82399), (323, 53317), (407, 42313), (629, 27379), (703, 24497), (1441, 11951), (2227, 7733), (2489, 6919), (3553, 4847)]