320412729

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{7877}}^1$

素因数の和:8049

約数の個数: 32

約数和(自身を含む): 529401600

約数和(自身を除く): 208988871

約数列:

[1, 3, 7, 13, 21, 39, 91, 149, 273, 447, 1043, 1937, 3129, 5811, 7877, 13559, 23631, 40677, 55139, 102401, 165417, 307203, 716807, 1173673, 2150421, 3521019, 8215711, 15257749, 24647133, 45773247, 106804243, 320412729]

約数ペア:

[(1, 320412729), (3, 106804243), (7, 45773247), (13, 24647133), (21, 15257749), (39, 8215711), (91, 3521019), (149, 2150421), (273, 1173673), (447, 716807), (1043, 307203), (1937, 165417), (3129, 102401), (5811, 55139), (7877, 40677), (13559, 23631)]