389485515

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{311}}^1\times {\mathrm{2879}}^1$

素因数の和:3227

約数の個数: 32

約数和(自身を含む): 646963200

約数和(自身を除く): 257477685

約数列:

[1, 3, 5, 15, 29, 87, 145, 311, 435, 933, 1555, 2879, 4665, 8637, 9019, 14395, 27057, 43185, 45095, 83491, 135285, 250473, 417455, 895369, 1252365, 2686107, 4476845, 13430535, 25965701, 77897103, 129828505, 389485515]

約数ペア:

[(1, 389485515), (3, 129828505), (5, 77897103), (15, 25965701), (29, 13430535), (87, 4476845), (145, 2686107), (311, 1252365), (435, 895369), (933, 417455), (1555, 250473), (2879, 135285), (4665, 83491), (8637, 45095), (9019, 43185), (14395, 27057)]