80821059255

素因数分解:

$3^4\times 5^1\times {\mathrm{1999}}^1\times {\mathrm{99829}}^1$

素因数の和:101845

約数の個数: 40

約数和(自身を含む): 144953160000

約数和(自身を除く): 64132100745

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 1999, 5997, 9995, 17991, 29985, 53973, 89955, 99829, 161919, 269865, 299487, 499145, 809595, 898461, 1497435, 2695383, 4492305, 8086149, 13476915, 40430745, 199558171, 598674513, 997790855, 1796023539, 2993372565, 5388070617, 8980117695, 16164211851, 26940353085, 80821059255]

約数ペア:

[(1, 80821059255), (3, 26940353085), (5, 16164211851), (9, 8980117695), (15, 5388070617), (27, 2993372565), (45, 1796023539), (81, 997790855), (135, 598674513), (405, 199558171), (1999, 40430745), (5997, 13476915), (9995, 8086149), (17991, 4492305), (29985, 2695383), (53973, 1497435), (89955, 898461), (99829, 809595), (161919, 499145), (269865, 299487)]