20150505

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{5147}}^1$

素因数の和:5190

約数の個数: 32

約数和(自身を含む): 37065600

約数和(自身を除く): 16915095

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 87, 135, 145, 261, 435, 783, 1305, 3915, 5147, 15441, 25735, 46323, 77205, 138969, 149263, 231615, 447789, 694845, 746315, 1343367, 2238945, 4030101, 6716835, 20150505]

約数ペア:

[(1, 20150505), (3, 6716835), (5, 4030101), (9, 2238945), (15, 1343367), (27, 746315), (29, 694845), (45, 447789), (87, 231615), (135, 149263), (145, 138969), (261, 77205), (435, 46323), (783, 25735), (1305, 15441), (3915, 5147)]