80386515

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{647}}^1$

素因数の和:920

約数の個数: 48

約数和(自身を含む): 152845056

約数和(自身を除く): 72458541

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 251, 495, 647, 753, 1255, 1941, 2259, 2761, 3235, 3765, 5823, 7117, 8283, 9705, 11295, 13805, 21351, 24849, 29115, 35585, 41415, 64053, 106755, 124245, 162397, 320265, 487191, 811985, 1461573, 1786367, 2435955, 5359101, 7307865, 8931835, 16077303, 26795505, 80386515]

約数ペア:

[(1, 80386515), (3, 26795505), (5, 16077303), (9, 8931835), (11, 7307865), (15, 5359101), (33, 2435955), (45, 1786367), (55, 1461573), (99, 811985), (165, 487191), (251, 320265), (495, 162397), (647, 124245), (753, 106755), (1255, 64053), (1941, 41415), (2259, 35585), (2761, 29115), (3235, 24849), (3765, 21351), (5823, 13805), (7117, 11295), (8283, 9705)]