81775449

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1289}}^1$

素因数の和:1374

約数の個数: 48

約数和(自身を含む): 144892800

約数和(自身を除く): 63117351

約数列:

[1, 3, 7, 9, 19, 21, 53, 57, 63, 133, 159, 171, 371, 399, 477, 1007, 1113, 1197, 1289, 3021, 3339, 3867, 7049, 9023, 9063, 11601, 21147, 24491, 27069, 63441, 68317, 73473, 81207, 171437, 204951, 220419, 478219, 514311, 614853, 1298023, 1434657, 1542933, 3894069, 4303971, 9086161, 11682207, 27258483, 81775449]

約数ペア:

[(1, 81775449), (3, 27258483), (7, 11682207), (9, 9086161), (19, 4303971), (21, 3894069), (53, 1542933), (57, 1434657), (63, 1298023), (133, 614853), (159, 514311), (171, 478219), (371, 220419), (399, 204951), (477, 171437), (1007, 81207), (1113, 73473), (1197, 68317), (1289, 63441), (3021, 27069), (3339, 24491), (3867, 21147), (7049, 11601), (9023, 9063)]