28205205693

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2861}}^1\times {\mathrm{20411}}^1$

素因数の和:23305

約数の個数: 32

約数和(自身を含む): 44865902592

約数和(自身を除く): 16660696899

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 2861, 8583, 20027, 20411, 60081, 61233, 65803, 142877, 197409, 428631, 460621, 469453, 1381863, 1408359, 3286171, 9858513, 58395871, 175187613, 408771097, 1226313291, 1343105033, 4029315099, 9401735231, 28205205693]

約数ペア:

[(1, 28205205693), (3, 9401735231), (7, 4029315099), (21, 1343105033), (23, 1226313291), (69, 408771097), (161, 175187613), (483, 58395871), (2861, 9858513), (8583, 3286171), (20027, 1408359), (20411, 1381863), (60081, 469453), (61233, 460621), (65803, 428631), (142877, 197409)]