77513355

素因数分解:

$3^5\times 5^1\times {\mathrm{131}}^1\times {\mathrm{487}}^1$

素因数の和:638

約数の個数: 48

約数和(自身を含む): 140684544

約数和(自身を除く): 63171189

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 131, 135, 243, 393, 405, 487, 655, 1179, 1215, 1461, 1965, 2435, 3537, 4383, 5895, 7305, 10611, 13149, 17685, 21915, 31833, 39447, 53055, 63797, 65745, 118341, 159165, 191391, 197235, 318985, 574173, 591705, 956955, 1722519, 2870865, 5167557, 8612595, 15502671, 25837785, 77513355]

約数ペア:

[(1, 77513355), (3, 25837785), (5, 15502671), (9, 8612595), (15, 5167557), (27, 2870865), (45, 1722519), (81, 956955), (131, 591705), (135, 574173), (243, 318985), (393, 197235), (405, 191391), (487, 159165), (655, 118341), (1179, 65745), (1215, 63797), (1461, 53055), (1965, 39447), (2435, 31833), (3537, 21915), (4383, 17685), (5895, 13149), (7305, 10611)]