121220631

素因数分解:

$3^4\times 7^1\times {\mathrm{439}}^1\times {\mathrm{487}}^1$

素因数の和:945

約数の個数: 40

約数和(自身を含む): 207848960

約数和(自身を除く): 86628329

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 439, 487, 567, 1317, 1461, 3073, 3409, 3951, 4383, 9219, 10227, 11853, 13149, 27657, 30681, 35559, 39447, 82971, 92043, 213793, 248913, 276129, 641379, 1496551, 1924137, 4489653, 5772411, 13468959, 17317233, 40406877, 121220631]

約数ペア:

[(1, 121220631), (3, 40406877), (7, 17317233), (9, 13468959), (21, 5772411), (27, 4489653), (63, 1924137), (81, 1496551), (189, 641379), (439, 276129), (487, 248913), (567, 213793), (1317, 92043), (1461, 82971), (3073, 39447), (3409, 35559), (3951, 30681), (4383, 27657), (9219, 13149), (10227, 11853)]