81793458

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{191}}^1\times {\mathrm{643}}^1$

素因数の和:879

約数の個数: 48

約数和(自身を含む): 183246336

約数和(自身を除く): 101452878

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 191, 222, 333, 382, 573, 643, 666, 1146, 1286, 1719, 1929, 3438, 3858, 5787, 7067, 11574, 14134, 21201, 23791, 42402, 47582, 63603, 71373, 122813, 127206, 142746, 214119, 245626, 368439, 428238, 736878, 1105317, 2210634, 4544081, 9088162, 13632243, 27264486, 40896729, 81793458]

約数ペア:

[(1, 81793458), (2, 40896729), (3, 27264486), (6, 13632243), (9, 9088162), (18, 4544081), (37, 2210634), (74, 1105317), (111, 736878), (191, 428238), (222, 368439), (333, 245626), (382, 214119), (573, 142746), (643, 127206), (666, 122813), (1146, 71373), (1286, 63603), (1719, 47582), (1929, 42402), (3438, 23791), (3858, 21201), (5787, 14134), (7067, 11574)]