291237141

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{227}}^1\times {\mathrm{491}}^1$

素因数の和:801

約数の個数: 32

約数和(自身を含む): 427166208

約数和(自身を除く): 135929067

約数列:

[1, 3, 13, 39, 67, 201, 227, 491, 681, 871, 1473, 2613, 2951, 6383, 8853, 15209, 19149, 32897, 45627, 98691, 111457, 197717, 334371, 427661, 593151, 1282983, 1448941, 4346823, 7467619, 22402857, 97079047, 291237141]

約数ペア:

[(1, 291237141), (3, 97079047), (13, 22402857), (39, 7467619), (67, 4346823), (201, 1448941), (227, 1282983), (491, 593151), (681, 427661), (871, 334371), (1473, 197717), (2613, 111457), (2951, 98691), (6383, 45627), (8853, 32897), (15209, 19149)]