42154425

素因数分解:

$3^8\times 5^2\times {\mathrm{257}}^1$

素因数の和:291

約数の個数: 54

約数和(自身を含む): 78708318

約数和(自身を除く): 36553893

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 243, 257, 405, 675, 729, 771, 1215, 1285, 2025, 2187, 2313, 3645, 3855, 6075, 6425, 6561, 6939, 10935, 11565, 18225, 19275, 20817, 32805, 34695, 54675, 57825, 62451, 104085, 164025, 173475, 187353, 312255, 520425, 562059, 936765, 1561275, 1686177, 2810295, 4683825, 8430885, 14051475, 42154425]

約数ペア:

[(1, 42154425), (3, 14051475), (5, 8430885), (9, 4683825), (15, 2810295), (25, 1686177), (27, 1561275), (45, 936765), (75, 562059), (81, 520425), (135, 312255), (225, 187353), (243, 173475), (257, 164025), (405, 104085), (675, 62451), (729, 57825), (771, 54675), (1215, 34695), (1285, 32805), (2025, 20817), (2187, 19275), (2313, 18225), (3645, 11565), (3855, 10935), (6075, 6939), (6425, 6561)]