2140695

素因数分解:

$3^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1$

素因数の和:272

約数の個数: 32

約数和(自身を含む): 3867840

約数和(自身を除く): 1727145

約数列:

[1, 3, 5, 9, 15, 27, 45, 101, 135, 157, 303, 471, 505, 785, 909, 1413, 1515, 2355, 2727, 4239, 4545, 7065, 13635, 15857, 21195, 47571, 79285, 142713, 237855, 428139, 713565, 2140695]

約数ペア:

[(1, 2140695), (3, 713565), (5, 428139), (9, 237855), (15, 142713), (27, 79285), (45, 47571), (101, 21195), (135, 15857), (157, 13635), (303, 7065), (471, 4545), (505, 4239), (785, 2727), (909, 2355), (1413, 1515)]