142790991

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1\times {\mathrm{521}}^1$

素因数の和:983

約数の個数: 32

約数和(自身を含む): 225570816

約数和(自身を除く): 82779825

約数列:

[1, 3, 7, 21, 31, 93, 217, 421, 521, 651, 1263, 1563, 2947, 3647, 8841, 10941, 13051, 16151, 39153, 48453, 91357, 113057, 219341, 274071, 339171, 658023, 1535387, 4606161, 6799571, 20398713, 47596997, 142790991]

約数ペア:

[(1, 142790991), (3, 47596997), (7, 20398713), (21, 6799571), (31, 4606161), (93, 1535387), (217, 658023), (421, 339171), (521, 274071), (651, 219341), (1263, 113057), (1563, 91357), (2947, 48453), (3647, 39153), (8841, 16151), (10941, 13051)]