1638713295

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{641}}^1\times {\mathrm{653}}^1$

素因数の和:1337

約数の個数: 64

約数和(自身を含む): 3023049600

約数和(自身を除く): 1384336305

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 87, 135, 145, 261, 435, 641, 653, 783, 1305, 1923, 1959, 3205, 3265, 3915, 5769, 5877, 9615, 9795, 17307, 17631, 18589, 18937, 28845, 29385, 55767, 56811, 86535, 88155, 92945, 94685, 167301, 170433, 278835, 284055, 418573, 501903, 511299, 836505, 852165, 1255719, 2092865, 2509515, 2556495, 3767157, 6278595, 11301471, 12138617, 18835785, 36415851, 56507355, 60693085, 109247553, 182079255, 327742659, 546237765, 1638713295]

約数ペア:

[(1, 1638713295), (3, 546237765), (5, 327742659), (9, 182079255), (15, 109247553), (27, 60693085), (29, 56507355), (45, 36415851), (87, 18835785), (135, 12138617), (145, 11301471), (261, 6278595), (435, 3767157), (641, 2556495), (653, 2509515), (783, 2092865), (1305, 1255719), (1923, 852165), (1959, 836505), (3205, 511299), (3265, 501903), (3915, 418573), (5769, 284055), (5877, 278835), (9615, 170433), (9795, 167301), (17307, 94685), (17631, 92945), (18589, 88155), (18937, 86535), (28845, 56811), (29385, 55767)]