128893395309

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{7879051}}^1$

素因数の和:7879121

約数の個数: 32

約数和(自身を含む): 211788917760

約数和(自身を除く): 82895522451

約数列:

[1, 3, 7, 19, 21, 41, 57, 123, 133, 287, 399, 779, 861, 2337, 5453, 16359, 7879051, 23637153, 55153357, 149701969, 165460071, 323041091, 449105907, 969123273, 1047913783, 2261287637, 3143741349, 6137780729, 6783862911, 18413342187, 42964465103, 128893395309]

約数ペア:

[(1, 128893395309), (3, 42964465103), (7, 18413342187), (19, 6783862911), (21, 6137780729), (41, 3143741349), (57, 2261287637), (123, 1047913783), (133, 969123273), (287, 449105907), (399, 323041091), (779, 165460071), (861, 149701969), (2337, 55153357), (5453, 23637153), (16359, 7879051)]