81559044

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{323647}}^1$

素因数の和:323664

約数の個数: 36

約数和(自身を含む): 235615744

約数和(自身を除く): 154056700

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 323647, 647294, 970941, 1294588, 1941882, 2265529, 2912823, 3883764, 4531058, 5825646, 6796587, 9062116, 11651292, 13593174, 20389761, 27186348, 40779522, 81559044]

約数ペア:

[(1, 81559044), (2, 40779522), (3, 27186348), (4, 20389761), (6, 13593174), (7, 11651292), (9, 9062116), (12, 6796587), (14, 5825646), (18, 4531058), (21, 3883764), (28, 2912823), (36, 2265529), (42, 1941882), (63, 1294588), (84, 970941), (126, 647294), (252, 323647)]