201780741

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{443}}^1$

素因数の和:657

約数の個数: 32

約数和(自身を含む): 290695680

約数和(自身を除く): 88914939

約数列:

[1, 3, 19, 57, 61, 131, 183, 393, 443, 1159, 1329, 2489, 3477, 7467, 7991, 8417, 23973, 25251, 27023, 58033, 81069, 151829, 174099, 455487, 513437, 1102627, 1540311, 3307881, 3540013, 10620039, 67260247, 201780741]

約数ペア:

[(1, 201780741), (3, 67260247), (19, 10620039), (57, 3540013), (61, 3307881), (131, 1540311), (183, 1102627), (393, 513437), (443, 455487), (1159, 174099), (1329, 151829), (2489, 81069), (3477, 58033), (7467, 27023), (7991, 25251), (8417, 23973)]