18607725

素因数分解:

$3^6\times 5^2\times {\mathrm{1021}}^1$

素因数の和:1049

約数の個数: 42

約数和(自身を含む): 34628426

約数和(自身を除く): 16020701

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 243, 405, 675, 729, 1021, 1215, 2025, 3063, 3645, 5105, 6075, 9189, 15315, 18225, 25525, 27567, 45945, 76575, 82701, 137835, 229725, 248103, 413505, 689175, 744309, 1240515, 2067525, 3721545, 6202575, 18607725]

約数ペア:

[(1, 18607725), (3, 6202575), (5, 3721545), (9, 2067525), (15, 1240515), (25, 744309), (27, 689175), (45, 413505), (75, 248103), (81, 229725), (135, 137835), (225, 82701), (243, 76575), (405, 45945), (675, 27567), (729, 25525), (1021, 18225), (1215, 15315), (2025, 9189), (3063, 6075), (3645, 5105)]