81845227009

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{499}}^1\times {\mathrm{43961}}^1$

素因数の和:44521

約数の個数: 32

約数和(自身を含む): 103398624000

約数和(自身を除く): 21553396991

約数列:

[1, 7, 13, 41, 91, 287, 499, 533, 3493, 3731, 6487, 20459, 43961, 45409, 143213, 265967, 307727, 571493, 1802401, 1861769, 4000451, 12616807, 21936539, 23431213, 153555773, 164018491, 285175007, 899398099, 1996225049, 6295786693, 11692175287, 81845227009]

約数ペア:

[(1, 81845227009), (7, 11692175287), (13, 6295786693), (41, 1996225049), (91, 899398099), (287, 285175007), (499, 164018491), (533, 153555773), (3493, 23431213), (3731, 21936539), (6487, 12616807), (20459, 4000451), (43961, 1861769), (45409, 1802401), (143213, 571493), (265967, 307727)]