1991465265

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1\times {\mathrm{15241}}^1$

素因数の和:15561

約数の個数: 32

約数和(自身を含む): 3301051392

約数和(自身を除く): 1309586127

約数列:

[1, 3, 5, 15, 31, 93, 155, 281, 465, 843, 1405, 4215, 8711, 15241, 26133, 43555, 45723, 76205, 130665, 228615, 472471, 1417413, 2362355, 4282721, 7087065, 12848163, 21413605, 64240815, 132764351, 398293053, 663821755, 1991465265]

約数ペア:

[(1, 1991465265), (3, 663821755), (5, 398293053), (15, 132764351), (31, 64240815), (93, 21413605), (155, 12848163), (281, 7087065), (465, 4282721), (843, 2362355), (1405, 1417413), (4215, 472471), (8711, 228615), (15241, 130665), (26133, 76205), (43555, 45723)]