25407405

素因数分解:

$3^3\times 5^1\times {\mathrm{53}}^2\times {\mathrm{67}}^1$

素因数の和:187

約数の個数: 48

約数和(自身を含む): 46724160

約数和(自身を除く): 21316755

約数列:

[1, 3, 5, 9, 15, 27, 45, 53, 67, 135, 159, 201, 265, 335, 477, 603, 795, 1005, 1431, 1809, 2385, 2809, 3015, 3551, 7155, 8427, 9045, 10653, 14045, 17755, 25281, 31959, 42135, 53265, 75843, 95877, 126405, 159795, 188203, 379215, 479385, 564609, 941015, 1693827, 2823045, 5081481, 8469135, 25407405]

約数ペア:

[(1, 25407405), (3, 8469135), (5, 5081481), (9, 2823045), (15, 1693827), (27, 941015), (45, 564609), (53, 479385), (67, 379215), (135, 188203), (159, 159795), (201, 126405), (265, 95877), (335, 75843), (477, 53265), (603, 42135), (795, 31959), (1005, 25281), (1431, 17755), (1809, 14045), (2385, 10653), (2809, 9045), (3015, 8427), (3551, 7155)]