71787255

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1\times {\mathrm{829}}^1$

素因数の和:1111

約数の個数: 32

約数和(自身を含む): 120476160

約数和(自身を除く): 48688905

約数列:

[1, 3, 5, 15, 23, 69, 115, 251, 345, 753, 829, 1255, 2487, 3765, 4145, 5773, 12435, 17319, 19067, 28865, 57201, 86595, 95335, 208079, 286005, 624237, 1040395, 3121185, 4785817, 14357451, 23929085, 71787255]

約数ペア:

[(1, 71787255), (3, 23929085), (5, 14357451), (15, 4785817), (23, 3121185), (69, 1040395), (115, 624237), (251, 286005), (345, 208079), (753, 95335), (829, 86595), (1255, 57201), (2487, 28865), (3765, 19067), (4145, 17319), (5773, 12435)]