211942197

素因数分解:

$3^3\times {\mathrm{89}}^2\times {\mathrm{991}}^1$

素因数の和:1178

約数の個数: 24

約数和(自身を含む): 317876480

約数和(自身を除く): 105934283

約数列:

[1, 3, 9, 27, 89, 267, 801, 991, 2403, 2973, 7921, 8919, 23763, 26757, 71289, 88199, 213867, 264597, 793791, 2381373, 7849711, 23549133, 70647399, 211942197]

約数ペア:

[(1, 211942197), (3, 70647399), (9, 23549133), (27, 7849711), (89, 2381373), (267, 793791), (801, 264597), (991, 213867), (2403, 88199), (2973, 71289), (7921, 26757), (8919, 23763)]