79864869

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{659}}^1$

素因数の和:897

約数の個数: 32

約数和(自身を含む): 126720000

約数和(自身を除く): 46855131

約数列:

[1, 3, 7, 21, 29, 87, 199, 203, 597, 609, 659, 1393, 1977, 4179, 4613, 5771, 13839, 17313, 19111, 40397, 57333, 121191, 131141, 133777, 393423, 401331, 917987, 2753961, 3803089, 11409267, 26621623, 79864869]

約数ペア:

[(1, 79864869), (3, 26621623), (7, 11409267), (21, 3803089), (29, 2753961), (87, 917987), (199, 401331), (203, 393423), (597, 133777), (609, 131141), (659, 121191), (1393, 57333), (1977, 40397), (4179, 19111), (4613, 17313), (5771, 13839)]