2691549

素因数分解:

$3^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:167

約数の個数: 40

約数和(自身を含む): 4739328

約数和(自身を除く): 2047779

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 81, 101, 141, 189, 303, 329, 423, 567, 707, 909, 987, 1269, 2121, 2727, 2961, 3807, 4747, 6363, 8181, 8883, 14241, 19089, 26649, 33229, 42723, 57267, 99687, 128169, 299061, 384507, 897183, 2691549]

約数ペア:

[(1, 2691549), (3, 897183), (7, 384507), (9, 299061), (21, 128169), (27, 99687), (47, 57267), (63, 42723), (81, 33229), (101, 26649), (141, 19089), (189, 14241), (303, 8883), (329, 8181), (423, 6363), (567, 4747), (707, 3807), (909, 2961), (987, 2727), (1269, 2121)]