81900504

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{54167}}^1$

素因数の和:54189

約数の個数: 64

約数和(自身を含む): 260006400

約数和(自身を除く): 178105896

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 168, 189, 216, 252, 378, 504, 756, 1512, 54167, 108334, 162501, 216668, 325002, 379169, 433336, 487503, 650004, 758338, 975006, 1137507, 1300008, 1462509, 1516676, 1950012, 2275014, 2925018, 3033352, 3412521, 3900024, 4550028, 5850036, 6825042, 9100056, 10237563, 11700072, 13650084, 20475126, 27300168, 40950252, 81900504]

約数ペア:

[(1, 81900504), (2, 40950252), (3, 27300168), (4, 20475126), (6, 13650084), (7, 11700072), (8, 10237563), (9, 9100056), (12, 6825042), (14, 5850036), (18, 4550028), (21, 3900024), (24, 3412521), (27, 3033352), (28, 2925018), (36, 2275014), (42, 1950012), (54, 1516676), (56, 1462509), (63, 1300008), (72, 1137507), (84, 975006), (108, 758338), (126, 650004), (168, 487503), (189, 433336), (216, 379169), (252, 325002), (378, 216668), (504, 162501), (756, 108334), (1512, 54167)]