316828215

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{1877}}^1$

素因数の和:1941

約数の個数: 72

約数和(自身を含む): 623435904

約数和(自身を除く): 306607689

約数列:

[1, 3, 5, 9, 11, 15, 31, 33, 45, 55, 93, 99, 121, 155, 165, 279, 341, 363, 465, 495, 605, 1023, 1089, 1395, 1705, 1815, 1877, 3069, 3751, 5115, 5445, 5631, 9385, 11253, 15345, 16893, 18755, 20647, 28155, 33759, 56265, 58187, 61941, 84465, 103235, 168795, 174561, 185823, 227117, 290935, 309705, 523683, 640057, 681351, 872805, 929115, 1135585, 1920171, 2044053, 2618415, 3200285, 3406755, 5760513, 7040627, 9600855, 10220265, 21121881, 28802565, 35203135, 63365643, 105609405, 316828215]

約数ペア:

[(1, 316828215), (3, 105609405), (5, 63365643), (9, 35203135), (11, 28802565), (15, 21121881), (31, 10220265), (33, 9600855), (45, 7040627), (55, 5760513), (93, 3406755), (99, 3200285), (121, 2618415), (155, 2044053), (165, 1920171), (279, 1135585), (341, 929115), (363, 872805), (465, 681351), (495, 640057), (605, 523683), (1023, 309705), (1089, 290935), (1395, 227117), (1705, 185823), (1815, 174561), (1877, 168795), (3069, 103235), (3751, 84465), (5115, 61941), (5445, 58187), (5631, 56265), (9385, 33759), (11253, 28155), (15345, 20647), (16893, 18755)]