71325513

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{619}}^1$

素因数の和:722

約数の個数: 48

約数和(自身を含む): 123801600

約数和(自身を除く): 52476087

約数列:

[1, 3, 7, 9, 21, 31, 59, 63, 93, 177, 217, 279, 413, 531, 619, 651, 1239, 1829, 1857, 1953, 3717, 4333, 5487, 5571, 12803, 12999, 16461, 19189, 36521, 38409, 38997, 57567, 109563, 115227, 134323, 172701, 255647, 328689, 402969, 766941, 1132151, 1208907, 2300823, 3396453, 7925057, 10189359, 23775171, 71325513]

約数ペア:

[(1, 71325513), (3, 23775171), (7, 10189359), (9, 7925057), (21, 3396453), (31, 2300823), (59, 1208907), (63, 1132151), (93, 766941), (177, 402969), (217, 328689), (279, 255647), (413, 172701), (531, 134323), (619, 115227), (651, 109563), (1239, 57567), (1829, 38997), (1857, 38409), (1953, 36521), (3717, 19189), (4333, 16461), (5487, 12999), (5571, 12803)]