71481819

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{419}}^1$

素因数の和:555

約数の個数: 32

約数和(自身を含む): 104428800

約数和(自身を除く): 32946981

約数列:

[1, 3, 19, 41, 57, 73, 123, 219, 419, 779, 1257, 1387, 2337, 2993, 4161, 7961, 8979, 17179, 23883, 30587, 51537, 56867, 91761, 170601, 326401, 581153, 979203, 1254067, 1743459, 3762201, 23827273, 71481819]

約数ペア:

[(1, 71481819), (3, 23827273), (19, 3762201), (41, 1743459), (57, 1254067), (73, 979203), (123, 581153), (219, 326401), (419, 170601), (779, 91761), (1257, 56867), (1387, 51537), (2337, 30587), (2993, 23883), (4161, 17179), (7961, 8979)]