81557532

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{323641}}^1$

素因数の和:323658

約数の個数: 36

約数和(自身を含む): 235611376

約数和(自身を除く): 154053844

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 323641, 647282, 970923, 1294564, 1941846, 2265487, 2912769, 3883692, 4530974, 5825538, 6796461, 9061948, 11651076, 13592922, 20389383, 27185844, 40778766, 81557532]

約数ペア:

[(1, 81557532), (2, 40778766), (3, 27185844), (4, 20389383), (6, 13592922), (7, 11651076), (9, 9061948), (12, 6796461), (14, 5825538), (18, 4530974), (21, 3883692), (28, 2912769), (36, 2265487), (42, 1941846), (63, 1294564), (84, 970923), (126, 647282), (252, 323641)]