128706513

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1$

素因数の和:510

約数の個数: 48

約数和(自身を含む): 202383360

約数和(自身を除く): 73676847

約数列:

[1, 3, 13, 19, 31, 39, 57, 93, 169, 247, 403, 431, 507, 589, 741, 1209, 1293, 1767, 3211, 5239, 5603, 7657, 8189, 9633, 13361, 15717, 16809, 22971, 24567, 40083, 72839, 99541, 106457, 173693, 218517, 253859, 298623, 319371, 521079, 761577, 1383941, 2258009, 3300167, 4151823, 6774027, 9900501, 42902171, 128706513]

約数ペア:

[(1, 128706513), (3, 42902171), (13, 9900501), (19, 6774027), (31, 4151823), (39, 3300167), (57, 2258009), (93, 1383941), (169, 761577), (247, 521079), (403, 319371), (431, 298623), (507, 253859), (589, 218517), (741, 173693), (1209, 106457), (1293, 99541), (1767, 72839), (3211, 40083), (5239, 24567), (5603, 22971), (7657, 16809), (8189, 15717), (9633, 13361)]