389624025

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{787}}^1$

素因数の和:871

約数の個数: 96

約数和(自身を含む): 787949568

約数和(自身を除く): 398325543

約数列:

[1, 3, 5, 7, 15, 21, 23, 25, 35, 41, 69, 75, 105, 115, 123, 161, 175, 205, 287, 345, 483, 525, 575, 615, 787, 805, 861, 943, 1025, 1435, 1725, 2361, 2415, 2829, 3075, 3935, 4025, 4305, 4715, 5509, 6601, 7175, 11805, 12075, 14145, 16527, 18101, 19675, 19803, 21525, 23575, 27545, 32267, 33005, 54303, 59025, 70725, 82635, 90505, 96801, 99015, 126707, 137725, 161335, 165025, 225869, 271515, 380121, 413175, 452525, 484005, 495075, 633535, 677607, 742141, 806675, 1129345, 1357575, 1900605, 2226423, 2420025, 3167675, 3388035, 3710705, 5194987, 5646725, 9503025, 11132115, 15584961, 16940175, 18553525, 25974935, 55660575, 77924805, 129874675, 389624025]

約数ペア:

[(1, 389624025), (3, 129874675), (5, 77924805), (7, 55660575), (15, 25974935), (21, 18553525), (23, 16940175), (25, 15584961), (35, 11132115), (41, 9503025), (69, 5646725), (75, 5194987), (105, 3710705), (115, 3388035), (123, 3167675), (161, 2420025), (175, 2226423), (205, 1900605), (287, 1357575), (345, 1129345), (483, 806675), (525, 742141), (575, 677607), (615, 633535), (787, 495075), (805, 484005), (861, 452525), (943, 413175), (1025, 380121), (1435, 271515), (1725, 225869), (2361, 165025), (2415, 161335), (2829, 137725), (3075, 126707), (3935, 99015), (4025, 96801), (4305, 90505), (4715, 82635), (5509, 70725), (6601, 59025), (7175, 54303), (11805, 33005), (12075, 32267), (14145, 27545), (16527, 23575), (18101, 21525), (19675, 19803)]