42680841

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{521}}^1$

素因数の和:661

約数の個数: 32

約数和(自身を含む): 67350528

約数和(自身を除く): 24669687

約数列:

[1, 3, 7, 21, 47, 83, 141, 249, 329, 521, 581, 987, 1563, 1743, 3647, 3901, 10941, 11703, 24487, 27307, 43243, 73461, 81921, 129729, 171409, 302701, 514227, 908103, 2032421, 6097263, 14226947, 42680841]

約数ペア:

[(1, 42680841), (3, 14226947), (7, 6097263), (21, 2032421), (47, 908103), (83, 514227), (141, 302701), (249, 171409), (329, 129729), (521, 81921), (581, 73461), (987, 43243), (1563, 27307), (1743, 24487), (3647, 11703), (3901, 10941)]