64140021

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:294

約数の個数: 48

約数和(自身を含む): 104832000

約数和(自身を除く): 40691979

約数列:

[1, 3, 9, 11, 33, 59, 79, 99, 139, 177, 237, 417, 531, 649, 711, 869, 1251, 1529, 1947, 2607, 4587, 4661, 5841, 7821, 8201, 10981, 13761, 13983, 24603, 32943, 41949, 51271, 73809, 90211, 98829, 120791, 153813, 270633, 362373, 461439, 647879, 811899, 1087119, 1943637, 5830911, 7126669, 21380007, 64140021]

約数ペア:

[(1, 64140021), (3, 21380007), (9, 7126669), (11, 5830911), (33, 1943637), (59, 1087119), (79, 811899), (99, 647879), (139, 461439), (177, 362373), (237, 270633), (417, 153813), (531, 120791), (649, 98829), (711, 90211), (869, 73809), (1251, 51271), (1529, 41949), (1947, 32943), (2607, 24603), (4587, 13983), (4661, 13761), (5841, 10981), (7821, 8201)]