1777377

素因数分解:

$3^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{113}}^1$

素因数の和:237

約数の個数: 24

約数和(自身を含む): 2807136

約数和(自身を除く): 1029759

約数列:

[1, 3, 7, 21, 49, 107, 113, 147, 321, 339, 749, 791, 2247, 2373, 5243, 5537, 12091, 15729, 16611, 36273, 84637, 253911, 592459, 1777377]

約数ペア:

[(1, 1777377), (3, 592459), (7, 253911), (21, 84637), (49, 36273), (107, 16611), (113, 15729), (147, 12091), (321, 5537), (339, 5243), (749, 2373), (791, 2247)]