210772125

素因数分解:

$3^8\times 5^3\times {\mathrm{257}}^1$

素因数の和:296

約数の個数: 72

約数和(自身を含む): 396080568

約数和(自身を除く): 185308443

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 125, 135, 225, 243, 257, 375, 405, 675, 729, 771, 1125, 1215, 1285, 2025, 2187, 2313, 3375, 3645, 3855, 6075, 6425, 6561, 6939, 10125, 10935, 11565, 18225, 19275, 20817, 30375, 32125, 32805, 34695, 54675, 57825, 62451, 91125, 96375, 104085, 164025, 173475, 187353, 273375, 289125, 312255, 520425, 562059, 820125, 867375, 936765, 1561275, 1686177, 2602125, 2810295, 4683825, 7806375, 8430885, 14051475, 23419125, 42154425, 70257375, 210772125]

約数ペア:

[(1, 210772125), (3, 70257375), (5, 42154425), (9, 23419125), (15, 14051475), (25, 8430885), (27, 7806375), (45, 4683825), (75, 2810295), (81, 2602125), (125, 1686177), (135, 1561275), (225, 936765), (243, 867375), (257, 820125), (375, 562059), (405, 520425), (675, 312255), (729, 289125), (771, 273375), (1125, 187353), (1215, 173475), (1285, 164025), (2025, 104085), (2187, 96375), (2313, 91125), (3375, 62451), (3645, 57825), (3855, 54675), (6075, 34695), (6425, 32805), (6561, 32125), (6939, 30375), (10125, 20817), (10935, 19275), (11565, 18225)]