66903975

素因数分解:

$3^6\times 5^2\times {\mathrm{3671}}^1$

素因数の和:3699

約数の個数: 42

約数和(自身を含む): 124418376

約数和(自身を除く): 57514401

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 243, 405, 675, 729, 1215, 2025, 3645, 3671, 6075, 11013, 18225, 18355, 33039, 55065, 91775, 99117, 165195, 275325, 297351, 495585, 825975, 892053, 1486755, 2477925, 2676159, 4460265, 7433775, 13380795, 22301325, 66903975]

約数ペア:

[(1, 66903975), (3, 22301325), (5, 13380795), (9, 7433775), (15, 4460265), (25, 2676159), (27, 2477925), (45, 1486755), (75, 892053), (81, 825975), (135, 495585), (225, 297351), (243, 275325), (405, 165195), (675, 99117), (729, 91775), (1215, 55065), (2025, 33039), (3645, 18355), (3671, 18225), (6075, 11013)]