27789567

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{227}}^1$

素因数の和:359

約数の個数: 32

約数和(自身を含む): 41572608

約数和(自身を除く): 13783041

約数列:

[1, 3, 13, 39, 43, 73, 129, 219, 227, 559, 681, 949, 1677, 2847, 2951, 3139, 8853, 9417, 9761, 16571, 29283, 40807, 49713, 122421, 126893, 215423, 380679, 646269, 712553, 2137659, 9263189, 27789567]

約数ペア:

[(1, 27789567), (3, 9263189), (13, 2137659), (39, 712553), (43, 646269), (73, 380679), (129, 215423), (219, 126893), (227, 122421), (559, 49713), (681, 40807), (949, 29283), (1677, 16571), (2847, 9761), (2951, 9417), (3139, 8853)]