81507348

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^2\times {\mathrm{13397}}^1$

素因数の和:13433

約数の個数: 54

約数和(自身を含む): 223116894

約数和(自身を除く): 141609546

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 169, 234, 338, 468, 507, 676, 1014, 1521, 2028, 3042, 6084, 13397, 26794, 40191, 53588, 80382, 120573, 160764, 174161, 241146, 348322, 482292, 522483, 696644, 1044966, 1567449, 2089932, 2264093, 3134898, 4528186, 6269796, 6792279, 9056372, 13584558, 20376837, 27169116, 40753674, 81507348]

約数ペア:

[(1, 81507348), (2, 40753674), (3, 27169116), (4, 20376837), (6, 13584558), (9, 9056372), (12, 6792279), (13, 6269796), (18, 4528186), (26, 3134898), (36, 2264093), (39, 2089932), (52, 1567449), (78, 1044966), (117, 696644), (156, 522483), (169, 482292), (234, 348322), (338, 241146), (468, 174161), (507, 160764), (676, 120573), (1014, 80382), (1521, 53588), (2028, 40191), (3042, 26794), (6084, 13397)]