821808741

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{449}}^1\times {\mathrm{661}}^1$

素因数の和:1197

約数の個数: 32

約数和(自身を含む): 1201132800

約数和(自身を除く): 379324059

約数列:

[1, 3, 13, 39, 71, 213, 449, 661, 923, 1347, 1983, 2769, 5837, 8593, 17511, 25779, 31879, 46931, 95637, 140793, 296789, 414427, 610103, 890367, 1243281, 1830309, 3858257, 11574771, 21072019, 63216057, 273936247, 821808741]

約数ペア:

[(1, 821808741), (3, 273936247), (13, 63216057), (39, 21072019), (71, 11574771), (213, 3858257), (449, 1830309), (661, 1243281), (923, 890367), (1347, 610103), (1983, 414427), (2769, 296789), (5837, 140793), (8593, 95637), (17511, 46931), (25779, 31879)]