81259686

素因数分解:

$2^1\times 3^5\times {\mathrm{61}}^1\times {\mathrm{2741}}^1$

素因数の和:2819

約数の個数: 48

約数和(自身を含む): 185644368

約数和(自身を除く): 104384682

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 61, 81, 122, 162, 183, 243, 366, 486, 549, 1098, 1647, 2741, 3294, 4941, 5482, 8223, 9882, 14823, 16446, 24669, 29646, 49338, 74007, 148014, 167201, 222021, 334402, 444042, 501603, 666063, 1003206, 1332126, 1504809, 3009618, 4514427, 9028854, 13543281, 27086562, 40629843, 81259686]

約数ペア:

[(1, 81259686), (2, 40629843), (3, 27086562), (6, 13543281), (9, 9028854), (18, 4514427), (27, 3009618), (54, 1504809), (61, 1332126), (81, 1003206), (122, 666063), (162, 501603), (183, 444042), (243, 334402), (366, 222021), (486, 167201), (549, 148014), (1098, 74007), (1647, 49338), (2741, 29646), (3294, 24669), (4941, 16446), (5482, 14823), (8223, 9882)]