1920165

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1$

素因数の和:293

約数の個数: 32

約数和(自身を含む): 3400320

約数和(自身を除く): 1480155

約数列:

[1, 3, 5, 13, 15, 39, 43, 65, 129, 195, 215, 229, 559, 645, 687, 1145, 1677, 2795, 2977, 3435, 8385, 8931, 9847, 14885, 29541, 44655, 49235, 128011, 147705, 384033, 640055, 1920165]

約数ペア:

[(1, 1920165), (3, 640055), (5, 384033), (13, 147705), (15, 128011), (39, 49235), (43, 44655), (65, 29541), (129, 14885), (195, 9847), (215, 8931), (229, 8385), (559, 3435), (645, 2977), (687, 2795), (1145, 1677)]