72851985

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{613}}^1$

素因数の和:782

約数の個数: 48

約数和(自身を含む): 134097600

約数和(自身を除く): 61245615

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 139, 171, 285, 417, 613, 695, 855, 1251, 1839, 2085, 2641, 3065, 5517, 6255, 7923, 9195, 11647, 13205, 23769, 27585, 34941, 39615, 58235, 85207, 104823, 118845, 174705, 255621, 426035, 524115, 766863, 1278105, 1618933, 3834315, 4856799, 8094665, 14570397, 24283995, 72851985]

約数ペア:

[(1, 72851985), (3, 24283995), (5, 14570397), (9, 8094665), (15, 4856799), (19, 3834315), (45, 1618933), (57, 1278105), (95, 766863), (139, 524115), (171, 426035), (285, 255621), (417, 174705), (613, 118845), (695, 104823), (855, 85207), (1251, 58235), (1839, 39615), (2085, 34941), (2641, 27585), (3065, 23769), (5517, 13205), (6255, 11647), (7923, 9195)]