388199427

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{839}}^1\times {\mathrm{2003}}^1$

素因数の和:2863

約数の個数: 32

約数和(自身を含む): 646410240

約数和(自身を除く): 258210813

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 839, 2003, 2517, 5873, 6009, 9229, 14021, 17619, 22033, 27687, 42063, 64603, 66099, 154231, 193809, 462693, 1680517, 5041551, 11763619, 18485687, 35290857, 55457061, 129399809, 388199427]

約数ペア:

[(1, 388199427), (3, 129399809), (7, 55457061), (11, 35290857), (21, 18485687), (33, 11763619), (77, 5041551), (231, 1680517), (839, 462693), (2003, 193809), (2517, 154231), (5873, 66099), (6009, 64603), (9229, 42063), (14021, 27687), (17619, 22033)]