78875505

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{20147}}^1$

素因数の和:20190

約数の個数: 32

約数和(自身を含む): 145065600

約数和(自身を除く): 66190095

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 87, 135, 145, 261, 435, 783, 1305, 3915, 20147, 60441, 100735, 181323, 302205, 543969, 584263, 906615, 1752789, 2719845, 2921315, 5258367, 8763945, 15775101, 26291835, 78875505]

約数ペア:

[(1, 78875505), (3, 26291835), (5, 15775101), (9, 8763945), (15, 5258367), (27, 2921315), (29, 2719845), (45, 1752789), (87, 906615), (135, 584263), (145, 543969), (261, 302205), (435, 181323), (783, 100735), (1305, 60441), (3915, 20147)]