1212813

素因数分解:

$3^5\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:76

約数の個数: 48

約数和(自身を含む): 2236416

約数和(自身を除く): 1023603

約数列:

[1, 3, 7, 9, 21, 23, 27, 31, 63, 69, 81, 93, 161, 189, 207, 217, 243, 279, 483, 567, 621, 651, 713, 837, 1449, 1701, 1863, 1953, 2139, 2511, 4347, 4991, 5589, 5859, 6417, 7533, 13041, 14973, 17577, 19251, 39123, 44919, 52731, 57753, 134757, 173259, 404271, 1212813]

約数ペア:

[(1, 1212813), (3, 404271), (7, 173259), (9, 134757), (21, 57753), (23, 52731), (27, 44919), (31, 39123), (63, 19251), (69, 17577), (81, 14973), (93, 13041), (161, 7533), (189, 6417), (207, 5859), (217, 5589), (243, 4991), (279, 4347), (483, 2511), (567, 2139), (621, 1953), (651, 1863), (713, 1701), (837, 1449)]