78278115

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{1223}}^1$

素因数の和:1499

約数の個数: 32

約数和(自身を含む): 133249536

約数和(自身を除く): 54971421

約数列:

[1, 3, 5, 15, 17, 51, 85, 251, 255, 753, 1223, 1255, 3669, 3765, 4267, 6115, 12801, 18345, 20791, 21335, 62373, 64005, 103955, 306973, 311865, 920919, 1534865, 4604595, 5218541, 15655623, 26092705, 78278115]

約数ペア:

[(1, 78278115), (3, 26092705), (5, 15655623), (15, 5218541), (17, 4604595), (51, 1534865), (85, 920919), (251, 311865), (255, 306973), (753, 103955), (1223, 64005), (1255, 62373), (3669, 21335), (3765, 20791), (4267, 18345), (6115, 12801)]