197901495

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1877}}^1$

素因数の和:1973

約数の個数: 64

約数和(自身を含む): 389422080

約数和(自身を除く): 191520585

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 71, 99, 135, 165, 213, 297, 355, 495, 639, 781, 1065, 1485, 1877, 1917, 2343, 3195, 3905, 5631, 7029, 9385, 9585, 11715, 16893, 20647, 21087, 28155, 35145, 50679, 61941, 84465, 103235, 105435, 133267, 185823, 253395, 309705, 399801, 557469, 666335, 929115, 1199403, 1465937, 1999005, 2787345, 3598209, 4397811, 5997015, 7329685, 13193433, 17991045, 21989055, 39580299, 65967165, 197901495]

約数ペア:

[(1, 197901495), (3, 65967165), (5, 39580299), (9, 21989055), (11, 17991045), (15, 13193433), (27, 7329685), (33, 5997015), (45, 4397811), (55, 3598209), (71, 2787345), (99, 1999005), (135, 1465937), (165, 1199403), (213, 929115), (297, 666335), (355, 557469), (495, 399801), (639, 309705), (781, 253395), (1065, 185823), (1485, 133267), (1877, 105435), (1917, 103235), (2343, 84465), (3195, 61941), (3905, 50679), (5631, 35145), (7029, 28155), (9385, 21087), (9585, 20647), (11715, 16893)]