217080639

素因数分解:

$3^2\times {\mathrm{47}}^2\times {\mathrm{61}}^1\times {\mathrm{179}}^1$

素因数の和:340

約数の個数: 36

約数和(自身を含む): 327445560

約数和(自身を除く): 110364921

約数列:

[1, 3, 9, 47, 61, 141, 179, 183, 423, 537, 549, 1611, 2209, 2867, 6627, 8413, 8601, 10919, 19881, 25239, 25803, 32757, 75717, 98271, 134749, 395411, 404247, 513193, 1186233, 1212741, 1539579, 3558699, 4618737, 24120071, 72360213, 217080639]

約数ペア:

[(1, 217080639), (3, 72360213), (9, 24120071), (47, 4618737), (61, 3558699), (141, 1539579), (179, 1212741), (183, 1186233), (423, 513193), (537, 404247), (549, 395411), (1611, 134749), (2209, 98271), (2867, 75717), (6627, 32757), (8413, 25803), (8601, 25239), (10919, 19881)]