81665658

素因数分解:

$2^1\times 3^4\times {\mathrm{97}}^1\times {\mathrm{5197}}^1$

素因数の和:5308

約数の個数: 40

約数和(自身を含む): 184913652

約数和(自身を除く): 103247994

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 97, 162, 194, 291, 582, 873, 1746, 2619, 5197, 5238, 7857, 10394, 15591, 15714, 31182, 46773, 93546, 140319, 280638, 420957, 504109, 841914, 1008218, 1512327, 3024654, 4536981, 9073962, 13610943, 27221886, 40832829, 81665658]

約数ペア:

[(1, 81665658), (2, 40832829), (3, 27221886), (6, 13610943), (9, 9073962), (18, 4536981), (27, 3024654), (54, 1512327), (81, 1008218), (97, 841914), (162, 504109), (194, 420957), (291, 280638), (582, 140319), (873, 93546), (1746, 46773), (2619, 31182), (5197, 15714), (5238, 15591), (7857, 10394)]