8991255

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{941}}^1$

素因数の和:976

約数の個数: 48

約数和(自身を含む): 18041184

約数和(自身を除く): 9049929

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 49, 65, 91, 105, 147, 195, 245, 273, 455, 637, 735, 941, 1365, 1911, 2823, 3185, 4705, 6587, 9555, 12233, 14115, 19761, 32935, 36699, 46109, 61165, 85631, 98805, 138327, 183495, 230545, 256893, 428155, 599417, 691635, 1284465, 1798251, 2997085, 8991255]

約数ペア:

[(1, 8991255), (3, 2997085), (5, 1798251), (7, 1284465), (13, 691635), (15, 599417), (21, 428155), (35, 256893), (39, 230545), (49, 183495), (65, 138327), (91, 98805), (105, 85631), (147, 61165), (195, 46109), (245, 36699), (273, 32935), (455, 19761), (637, 14115), (735, 12233), (941, 9555), (1365, 6587), (1911, 4705), (2823, 3185)]