216050121

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{907}}^1$

素因数の和:1138

約数の個数: 48

約数和(自身を含む): 377728000

約数和(自身を除く): 161677879

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 199, 399, 597, 907, 1197, 1393, 1791, 2721, 3781, 4179, 6349, 8163, 11343, 12537, 17233, 19047, 26467, 34029, 51699, 57141, 79401, 120631, 155097, 180493, 238203, 361893, 541479, 1085679, 1263451, 1624437, 3429367, 3790353, 10288101, 11371059, 24005569, 30864303, 72016707, 216050121]

約数ペア:

[(1, 216050121), (3, 72016707), (7, 30864303), (9, 24005569), (19, 11371059), (21, 10288101), (57, 3790353), (63, 3429367), (133, 1624437), (171, 1263451), (199, 1085679), (399, 541479), (597, 361893), (907, 238203), (1197, 180493), (1393, 155097), (1791, 120631), (2721, 79401), (3781, 57141), (4179, 51699), (6349, 34029), (8163, 26467), (11343, 19047), (12537, 17233)]