2851443

素因数分解:

$3^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1$

素因数の和:173

約数の個数: 40

約数和(自身を含む): 5018112

約数和(自身を除く): 2166669

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 81, 107, 141, 189, 321, 329, 423, 567, 749, 963, 987, 1269, 2247, 2889, 2961, 3807, 5029, 6741, 8667, 8883, 15087, 20223, 26649, 35203, 45261, 60669, 105609, 135783, 316827, 407349, 950481, 2851443]

約数ペア:

[(1, 2851443), (3, 950481), (7, 407349), (9, 316827), (21, 135783), (27, 105609), (47, 60669), (63, 45261), (81, 35203), (107, 26649), (141, 20223), (189, 15087), (321, 8883), (329, 8667), (423, 6741), (567, 5029), (749, 3807), (963, 2961), (987, 2889), (1269, 2247)]