291222267

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{263}}^1\times {\mathrm{787}}^1$

素因数の和:1127

約数の個数: 32

約数和(自身を含む): 452677632

約数和(自身を除く): 161455365

約数列:

[1, 3, 7, 21, 67, 201, 263, 469, 787, 789, 1407, 1841, 2361, 5509, 5523, 16527, 17621, 52729, 52863, 123347, 158187, 206981, 369103, 370041, 620943, 1107309, 1448867, 4346601, 13867727, 41603181, 97074089, 291222267]

約数ペア:

[(1, 291222267), (3, 97074089), (7, 41603181), (21, 13867727), (67, 4346601), (201, 1448867), (263, 1107309), (469, 620943), (787, 370041), (789, 369103), (1407, 206981), (1841, 158187), (2361, 123347), (5509, 52863), (5523, 52729), (16527, 17621)]