2909865

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{107}}^1$

素因数の和:166

約数の個数: 48

約数和(自身を含む): 5614272

約数和(自身を除く): 2704407

約数列:

[1, 3, 5, 7, 15, 21, 35, 37, 49, 105, 107, 111, 147, 185, 245, 259, 321, 535, 555, 735, 749, 777, 1295, 1605, 1813, 2247, 3745, 3885, 3959, 5243, 5439, 9065, 11235, 11877, 15729, 19795, 26215, 27195, 27713, 59385, 78645, 83139, 138565, 193991, 415695, 581973, 969955, 2909865]

約数ペア:

[(1, 2909865), (3, 969955), (5, 581973), (7, 415695), (15, 193991), (21, 138565), (35, 83139), (37, 78645), (49, 59385), (105, 27713), (107, 27195), (111, 26215), (147, 19795), (185, 15729), (245, 11877), (259, 11235), (321, 9065), (535, 5439), (555, 5243), (735, 3959), (749, 3885), (777, 3745), (1295, 2247), (1605, 1813)]