218214621

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{1399}}^1$

素因数の和:1570

約数の個数: 32

約数和(自身を含む): 332640000

約数和(自身を除く): 114425379

約数列:

[1, 3, 9, 27, 53, 109, 159, 327, 477, 981, 1399, 1431, 2943, 4197, 5777, 12591, 17331, 37773, 51993, 74147, 152491, 155979, 222441, 457473, 667323, 1372419, 2001969, 4117257, 8082023, 24246069, 72738207, 218214621]

約数ペア:

[(1, 218214621), (3, 72738207), (9, 24246069), (27, 8082023), (53, 4117257), (109, 2001969), (159, 1372419), (327, 667323), (477, 457473), (981, 222441), (1399, 155979), (1431, 152491), (2943, 74147), (4197, 51993), (5777, 37773), (12591, 17331)]