2661945

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1$

素因数の和:122

約数の個数: 64

約数和(自身を含む): 5370624

約数和(自身を除く): 2708679

約数列:

[1, 3, 5, 11, 13, 15, 17, 33, 39, 51, 55, 65, 73, 85, 143, 165, 187, 195, 219, 221, 255, 365, 429, 561, 663, 715, 803, 935, 949, 1095, 1105, 1241, 2145, 2409, 2431, 2805, 2847, 3315, 3723, 4015, 4745, 6205, 7293, 10439, 12045, 12155, 13651, 14235, 16133, 18615, 31317, 36465, 40953, 48399, 52195, 68255, 80665, 156585, 177463, 204765, 241995, 532389, 887315, 2661945]

約数ペア:

[(1, 2661945), (3, 887315), (5, 532389), (11, 241995), (13, 204765), (15, 177463), (17, 156585), (33, 80665), (39, 68255), (51, 52195), (55, 48399), (65, 40953), (73, 36465), (85, 31317), (143, 18615), (165, 16133), (187, 14235), (195, 13651), (219, 12155), (221, 12045), (255, 10439), (365, 7293), (429, 6205), (561, 4745), (663, 4015), (715, 3723), (803, 3315), (935, 2847), (949, 2805), (1095, 2431), (1105, 2409), (1241, 2145)]