123854265

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{17989}}^1$

素因数の和:18023

約数の個数: 40

約数和(自身を含む): 235093320

約数和(自身を除く): 111239055

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 255, 405, 459, 765, 1377, 2295, 6885, 17989, 53967, 89945, 161901, 269835, 305813, 485703, 809505, 917439, 1457109, 1529065, 2428515, 2752317, 4587195, 7285545, 8256951, 13761585, 24770853, 41284755, 123854265]

約数ペア:

[(1, 123854265), (3, 41284755), (5, 24770853), (9, 13761585), (15, 8256951), (17, 7285545), (27, 4587195), (45, 2752317), (51, 2428515), (81, 1529065), (85, 1457109), (135, 917439), (153, 809505), (255, 485703), (405, 305813), (459, 269835), (765, 161901), (1377, 89945), (2295, 53967), (6885, 17989)]