81242805

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{4051}}^1$

素因数の和:4257

約数の個数: 32

約数和(自身を含む): 149372928

約数和(自身を除く): 68130123

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 191, 573, 955, 1337, 2865, 4011, 4051, 6685, 12153, 20055, 20255, 28357, 60765, 85071, 141785, 425355, 773741, 2321223, 3868705, 5416187, 11606115, 16248561, 27080935, 81242805]

約数ペア:

[(1, 81242805), (3, 27080935), (5, 16248561), (7, 11606115), (15, 5416187), (21, 3868705), (35, 2321223), (105, 773741), (191, 425355), (573, 141785), (955, 85071), (1337, 60765), (2865, 28357), (4011, 20255), (4051, 20055), (6685, 12153)]