201664911

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{461}}^1\times {\mathrm{563}}^1$

素因数の和:1071

約数の個数: 32

約数和(自身を含む): 316850688

約数和(自身を除く): 115185777

約数列:

[1, 3, 7, 21, 37, 111, 259, 461, 563, 777, 1383, 1689, 3227, 3941, 9681, 11823, 17057, 20831, 51171, 62493, 119399, 145817, 259543, 358197, 437451, 778629, 1816801, 5450403, 9603091, 28809273, 67221637, 201664911]

約数ペア:

[(1, 201664911), (3, 67221637), (7, 28809273), (21, 9603091), (37, 5450403), (111, 1816801), (259, 778629), (461, 437451), (563, 358197), (777, 259543), (1383, 145817), (1689, 119399), (3227, 62493), (3941, 51171), (9681, 20831), (11823, 17057)]