13400907

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:251

約数の個数: 32

約数和(自身を含む): 20165376

約数和(自身を除く): 6764469

約数列:

[1, 3, 13, 39, 43, 61, 129, 131, 183, 393, 559, 793, 1677, 1703, 2379, 2623, 5109, 5633, 7869, 7991, 16899, 23973, 34099, 73229, 102297, 103883, 219687, 311649, 343613, 1030839, 4466969, 13400907]

約数ペア:

[(1, 13400907), (3, 4466969), (13, 1030839), (39, 343613), (43, 311649), (61, 219687), (129, 103883), (131, 102297), (183, 73229), (393, 34099), (559, 23973), (793, 16899), (1677, 7991), (1703, 7869), (2379, 5633), (2623, 5109)]