81781758

素因数分解:

$2^1\times 3^3\times {\mathrm{449}}^1\times {\mathrm{3373}}^1$

素因数の和:3833

約数の個数: 32

約数和(自身を含む): 182196000

約数和(自身を除く): 100414242

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 449, 898, 1347, 2694, 3373, 4041, 6746, 8082, 10119, 12123, 20238, 24246, 30357, 60714, 91071, 182142, 1514477, 3028954, 4543431, 9086862, 13630293, 27260586, 40890879, 81781758]

約数ペア:

[(1, 81781758), (2, 40890879), (3, 27260586), (6, 13630293), (9, 9086862), (18, 4543431), (27, 3028954), (54, 1514477), (449, 182142), (898, 91071), (1347, 60714), (2694, 30357), (3373, 24246), (4041, 20238), (6746, 12123), (8082, 10119)]