221287935

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{541}}^1$

素因数の和:664

約数の個数: 64

約数和(自身を含む): 403352064

約数和(自身を除く): 182064129

約数列:

[1, 3, 5, 11, 15, 33, 37, 55, 67, 111, 165, 185, 201, 335, 407, 541, 555, 737, 1005, 1221, 1623, 2035, 2211, 2479, 2705, 3685, 5951, 6105, 7437, 8115, 11055, 12395, 17853, 20017, 27269, 29755, 36247, 37185, 60051, 81807, 89265, 100085, 108741, 136345, 181235, 220187, 300255, 398717, 409035, 543705, 660561, 1100935, 1196151, 1341139, 1993585, 3302805, 4023417, 5980755, 6705695, 14752529, 20117085, 44257587, 73762645, 221287935]

約数ペア:

[(1, 221287935), (3, 73762645), (5, 44257587), (11, 20117085), (15, 14752529), (33, 6705695), (37, 5980755), (55, 4023417), (67, 3302805), (111, 1993585), (165, 1341139), (185, 1196151), (201, 1100935), (335, 660561), (407, 543705), (541, 409035), (555, 398717), (737, 300255), (1005, 220187), (1221, 181235), (1623, 136345), (2035, 108741), (2211, 100085), (2479, 89265), (2705, 81807), (3685, 60051), (5951, 37185), (6105, 36247), (7437, 29755), (8115, 27269), (11055, 20017), (12395, 17853)]