81995925

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{5231}}^1$

素因数の和:5274

約数の個数: 48

約数和(自身を含む): 155704320

約数和(自身を除く): 73708395

約数列:

[1, 3, 5, 11, 15, 19, 25, 33, 55, 57, 75, 95, 165, 209, 275, 285, 475, 627, 825, 1045, 1425, 3135, 5225, 5231, 15675, 15693, 26155, 57541, 78465, 99389, 130775, 172623, 287705, 298167, 392325, 496945, 863115, 1093279, 1438525, 1490835, 2484725, 3279837, 4315575, 5466395, 7454175, 16399185, 27331975, 81995925]

約数ペア:

[(1, 81995925), (3, 27331975), (5, 16399185), (11, 7454175), (15, 5466395), (19, 4315575), (25, 3279837), (33, 2484725), (55, 1490835), (57, 1438525), (75, 1093279), (95, 863115), (165, 496945), (209, 392325), (275, 298167), (285, 287705), (475, 172623), (627, 130775), (825, 99389), (1045, 78465), (1425, 57541), (3135, 26155), (5225, 15693), (5231, 15675)]