221619699

素因数分解:

$3^3\times 7^2\times {\mathrm{127}}^1\times {\mathrm{1319}}^1$

素因数の和:1469

約数の個数: 48

約数和(自身を含む): 385228800

約数和(自身を除く): 163609101

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 127, 147, 189, 381, 441, 889, 1143, 1319, 1323, 2667, 3429, 3957, 6223, 8001, 9233, 11871, 18669, 24003, 27699, 35613, 56007, 64631, 83097, 167513, 168021, 193893, 249291, 502539, 581679, 1172591, 1507617, 1745037, 3517773, 4522851, 8208137, 10553319, 24624411, 31659957, 73873233, 221619699]

約数ペア:

[(1, 221619699), (3, 73873233), (7, 31659957), (9, 24624411), (21, 10553319), (27, 8208137), (49, 4522851), (63, 3517773), (127, 1745037), (147, 1507617), (189, 1172591), (381, 581679), (441, 502539), (889, 249291), (1143, 193893), (1319, 168021), (1323, 167513), (2667, 83097), (3429, 64631), (3957, 56007), (6223, 35613), (8001, 27699), (9233, 24003), (11871, 18669)]