2205495

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2$

素因数の和:93

約数の個数: 48

約数和(自身を含む): 4289760

約数和(自身を除く): 2084265

約数列:

[1, 3, 5, 9, 15, 17, 27, 31, 45, 51, 85, 93, 135, 153, 155, 255, 279, 459, 465, 527, 765, 837, 961, 1395, 1581, 2295, 2635, 2883, 4185, 4743, 4805, 7905, 8649, 14229, 14415, 16337, 23715, 25947, 43245, 49011, 71145, 81685, 129735, 147033, 245055, 441099, 735165, 2205495]

約数ペア:

[(1, 2205495), (3, 735165), (5, 441099), (9, 245055), (15, 147033), (17, 129735), (27, 81685), (31, 71145), (45, 49011), (51, 43245), (85, 25947), (93, 23715), (135, 16337), (153, 14415), (155, 14229), (255, 8649), (279, 7905), (459, 4805), (465, 4743), (527, 4185), (765, 2883), (837, 2635), (961, 2295), (1395, 1581)]