128972319

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{79}}^1\times {\mathrm{269}}^1$

素因数の和:392

約数の個数: 48

約数和(自身を含む): 212198400

約数和(自身を除く): 83226081

約数列:

[1, 3, 7, 17, 21, 51, 79, 119, 237, 269, 289, 357, 553, 807, 867, 1343, 1659, 1883, 2023, 4029, 4573, 5649, 6069, 9401, 13719, 21251, 22831, 28203, 32011, 63753, 68493, 77741, 96033, 148757, 159817, 233223, 361267, 446271, 479451, 544187, 1083801, 1632561, 2528869, 6141539, 7586607, 18424617, 42990773, 128972319]

約数ペア:

[(1, 128972319), (3, 42990773), (7, 18424617), (17, 7586607), (21, 6141539), (51, 2528869), (79, 1632561), (119, 1083801), (237, 544187), (269, 479451), (289, 446271), (357, 361267), (553, 233223), (807, 159817), (867, 148757), (1343, 96033), (1659, 77741), (1883, 68493), (2023, 63753), (4029, 32011), (4573, 28203), (5649, 22831), (6069, 21251), (9401, 13719)]