27231351

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{491}}^1$

素因数の和:659

約数の個数: 32

約数和(自身を含む): 44083200

約数和(自身を除く): 16851849

約数列:

[1, 3, 7, 19, 21, 57, 133, 139, 399, 417, 491, 973, 1473, 2641, 2919, 3437, 7923, 9329, 10311, 18487, 27987, 55461, 65303, 68249, 195909, 204747, 477743, 1296731, 1433229, 3890193, 9077117, 27231351]

約数ペア:

[(1, 27231351), (3, 9077117), (7, 3890193), (19, 1433229), (21, 1296731), (57, 477743), (133, 204747), (139, 195909), (399, 68249), (417, 65303), (491, 55461), (973, 27987), (1473, 18487), (2641, 10311), (2919, 9329), (3437, 7923)]