31868319

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:192

約数の個数: 48

約数和(自身を含む): 53049600

約数和(自身を除く): 21181281

約数列:

[1, 3, 7, 17, 21, 51, 59, 89, 119, 177, 267, 289, 357, 413, 623, 867, 1003, 1239, 1513, 1869, 2023, 3009, 4539, 5251, 6069, 7021, 10591, 15753, 17051, 21063, 25721, 31773, 36757, 51153, 77163, 89267, 110271, 119357, 180047, 267801, 358071, 540141, 624869, 1517539, 1874607, 4552617, 10622773, 31868319]

約数ペア:

[(1, 31868319), (3, 10622773), (7, 4552617), (17, 1874607), (21, 1517539), (51, 624869), (59, 540141), (89, 358071), (119, 267801), (177, 180047), (267, 119357), (289, 110271), (357, 89267), (413, 77163), (623, 51153), (867, 36757), (1003, 31773), (1239, 25721), (1513, 21063), (1869, 17051), (2023, 15753), (3009, 10591), (4539, 7021), (5251, 6069)]