81815256

素因数分解:

$2^3\times 3^2\times {\mathrm{331}}^1\times {\mathrm{3433}}^1$

素因数の和:3776

約数の個数: 48

約数和(自身を含む): 222317160

約数和(自身を除く): 140501904

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 331, 662, 993, 1324, 1986, 2648, 2979, 3433, 3972, 5958, 6866, 7944, 10299, 11916, 13732, 20598, 23832, 27464, 30897, 41196, 61794, 82392, 123588, 247176, 1136323, 2272646, 3408969, 4545292, 6817938, 9090584, 10226907, 13635876, 20453814, 27271752, 40907628, 81815256]

約数ペア:

[(1, 81815256), (2, 40907628), (3, 27271752), (4, 20453814), (6, 13635876), (8, 10226907), (9, 9090584), (12, 6817938), (18, 4545292), (24, 3408969), (36, 2272646), (72, 1136323), (331, 247176), (662, 123588), (993, 82392), (1324, 61794), (1986, 41196), (2648, 30897), (2979, 27464), (3433, 23832), (3972, 20598), (5958, 13732), (6866, 11916), (7944, 10299)]