1638331395

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{443}}^1\times {\mathrm{14503}}^1$

素因数の和:14971

約数の個数: 32

約数和(自身を含む): 2781983232

約数和(自身を除く): 1143651837

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 443, 1329, 2215, 6645, 7531, 14503, 22593, 37655, 43509, 72515, 112965, 217545, 246551, 739653, 1232755, 3698265, 6424829, 19274487, 32124145, 96372435, 109222093, 327666279, 546110465, 1638331395]

約数ペア:

[(1, 1638331395), (3, 546110465), (5, 327666279), (15, 109222093), (17, 96372435), (51, 32124145), (85, 19274487), (255, 6424829), (443, 3698265), (1329, 1232755), (2215, 739653), (6645, 246551), (7531, 217545), (14503, 112965), (22593, 72515), (37655, 43509)]