1289075715

素因数分解:

$3^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{74021}}^1$

素因数の和:74081

約数の個数: 40

約数和(自身を含む): 2364558768

約数和(自身を除く): 1075483053

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 81, 129, 135, 215, 387, 405, 645, 1161, 1935, 3483, 5805, 17415, 74021, 222063, 370105, 666189, 1110315, 1998567, 3182903, 3330945, 5995701, 9548709, 9992835, 15914515, 28646127, 29978505, 47743545, 85938381, 143230635, 257815143, 429691905, 1289075715]

約数ペア:

[(1, 1289075715), (3, 429691905), (5, 257815143), (9, 143230635), (15, 85938381), (27, 47743545), (43, 29978505), (45, 28646127), (81, 15914515), (129, 9992835), (135, 9548709), (215, 5995701), (387, 3330945), (405, 3182903), (645, 1998567), (1161, 1110315), (1935, 666189), (3483, 370105), (5805, 222063), (17415, 74021)]