868278525

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^2\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:263

約数の個数: 72

約数和(自身を含む): 1507528512

約数和(自身を除く): 639249987

約数列:

[1, 3, 5, 15, 25, 41, 71, 75, 97, 123, 205, 213, 291, 355, 485, 615, 1025, 1065, 1455, 1681, 1775, 2425, 2911, 3075, 3977, 5043, 5325, 6887, 7275, 8405, 8733, 11931, 14555, 19885, 20661, 25215, 34435, 42025, 43665, 59655, 72775, 99425, 103305, 119351, 126075, 163057, 172175, 218325, 282367, 298275, 358053, 489171, 516525, 596755, 815285, 847101, 1411835, 1790265, 2445855, 2983775, 4076425, 4235505, 7059175, 8951325, 11577047, 12229275, 21177525, 34731141, 57885235, 173655705, 289426175, 868278525]

約数ペア:

[(1, 868278525), (3, 289426175), (5, 173655705), (15, 57885235), (25, 34731141), (41, 21177525), (71, 12229275), (75, 11577047), (97, 8951325), (123, 7059175), (205, 4235505), (213, 4076425), (291, 2983775), (355, 2445855), (485, 1790265), (615, 1411835), (1025, 847101), (1065, 815285), (1455, 596755), (1681, 516525), (1775, 489171), (2425, 358053), (2911, 298275), (3075, 282367), (3977, 218325), (5043, 172175), (5325, 163057), (6887, 126075), (7275, 119351), (8405, 103305), (8733, 99425), (11931, 72775), (14555, 59655), (19885, 43665), (20661, 42025), (25215, 34435)]