242912397

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{46831}}^1$

素因数の和:46873

約数の個数: 32

約数和(自身を含む): 419614720

約数和(自身を除く): 176702323

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 399, 741, 1729, 5187, 46831, 140493, 327817, 608803, 889789, 983451, 1826409, 2669367, 4261621, 6228523, 11567257, 12784863, 18685569, 34701771, 80970799, 242912397]

約数ペア:

[(1, 242912397), (3, 80970799), (7, 34701771), (13, 18685569), (19, 12784863), (21, 11567257), (39, 6228523), (57, 4261621), (91, 2669367), (133, 1826409), (247, 983451), (273, 889789), (399, 608803), (741, 327817), (1729, 140493), (5187, 46831)]