25163865

素因数分解:

$3^5\times 5^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 45864000

約数和(自身を除く): 20700135

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 139, 149, 243, 405, 417, 447, 695, 745, 1215, 1251, 1341, 2085, 2235, 3753, 4023, 6255, 6705, 11259, 12069, 18765, 20115, 20711, 33777, 36207, 56295, 60345, 62133, 103555, 168885, 181035, 186399, 310665, 559197, 931995, 1677591, 2795985, 5032773, 8387955, 25163865]

約数ペア:

[(1, 25163865), (3, 8387955), (5, 5032773), (9, 2795985), (15, 1677591), (27, 931995), (45, 559197), (81, 310665), (135, 186399), (139, 181035), (149, 168885), (243, 103555), (405, 62133), (417, 60345), (447, 56295), (695, 36207), (745, 33777), (1215, 20711), (1251, 20115), (1341, 18765), (2085, 12069), (2235, 11259), (3753, 6705), (4023, 6255)]