9819873

素因数分解:

$3^5\times 7^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1$

素因数の和:296

約数の個数: 48

約数和(自身を含む): 17611776

約数和(自身を除く): 7791903

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 81, 161, 189, 207, 243, 251, 483, 567, 621, 753, 1449, 1701, 1757, 1863, 2259, 4347, 5271, 5589, 5773, 6777, 13041, 15813, 17319, 20331, 39123, 40411, 47439, 51957, 60993, 121233, 142317, 155871, 363699, 426951, 467613, 1091097, 1402839, 3273291, 9819873]

約数ペア:

[(1, 9819873), (3, 3273291), (7, 1402839), (9, 1091097), (21, 467613), (23, 426951), (27, 363699), (63, 155871), (69, 142317), (81, 121233), (161, 60993), (189, 51957), (207, 47439), (243, 40411), (251, 39123), (483, 20331), (567, 17319), (621, 15813), (753, 13041), (1449, 6777), (1701, 5773), (1757, 5589), (1863, 5271), (2259, 4347)]