138192405

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41687}}^1$

素因数の和:41725

約数の個数: 32

約数和(自身を含む): 252129024

約数和(自身を除く): 113936619

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 3315, 41687, 125061, 208435, 541931, 625305, 708679, 1625793, 2126037, 2709655, 3543395, 8128965, 9212827, 10630185, 27638481, 46064135, 138192405]

約数ペア:

[(1, 138192405), (3, 46064135), (5, 27638481), (13, 10630185), (15, 9212827), (17, 8128965), (39, 3543395), (51, 2709655), (65, 2126037), (85, 1625793), (195, 708679), (221, 625305), (255, 541931), (663, 208435), (1105, 125061), (3315, 41687)]