9978345

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{461}}^1$

素因数の和:522

約数の個数: 48

約数和(自身を含む): 19171152

約数和(自身を除く): 9192807

約数列:

[1, 3, 5, 9, 13, 15, 37, 39, 45, 65, 111, 117, 185, 195, 333, 461, 481, 555, 585, 1383, 1443, 1665, 2305, 2405, 4149, 4329, 5993, 6915, 7215, 17057, 17979, 20745, 21645, 29965, 51171, 53937, 85285, 89895, 153513, 221741, 255855, 269685, 665223, 767565, 1108705, 1995669, 3326115, 9978345]

約数ペア:

[(1, 9978345), (3, 3326115), (5, 1995669), (9, 1108705), (13, 767565), (15, 665223), (37, 269685), (39, 255855), (45, 221741), (65, 153513), (111, 89895), (117, 85285), (185, 53937), (195, 51171), (333, 29965), (461, 21645), (481, 20745), (555, 17979), (585, 17057), (1383, 7215), (1443, 6915), (1665, 5993), (2305, 4329), (2405, 4149)]