291232179

素因数分解:

$3^4\times 7^1\times {\mathrm{173}}^1\times {\mathrm{2969}}^1$

素因数の和:3161

約数の個数: 40

約数和(自身を含む): 500243040

約数和(自身を除く): 209010861

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 173, 189, 519, 567, 1211, 1557, 2969, 3633, 4671, 8907, 10899, 14013, 20783, 26721, 32697, 62349, 80163, 98091, 187047, 240489, 513637, 561141, 1540911, 1683423, 3595459, 4622733, 10786377, 13868199, 32359131, 41604597, 97077393, 291232179]

約数ペア:

[(1, 291232179), (3, 97077393), (7, 41604597), (9, 32359131), (21, 13868199), (27, 10786377), (63, 4622733), (81, 3595459), (173, 1683423), (189, 1540911), (519, 561141), (567, 513637), (1211, 240489), (1557, 187047), (2969, 98091), (3633, 80163), (4671, 62349), (8907, 32697), (10899, 26721), (14013, 20783)]