2371761

素因数分解:

$3^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:155

約数の個数: 40

約数和(自身を含む): 4181760

約数和(自身を除く): 1809999

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 81, 89, 141, 189, 267, 329, 423, 567, 623, 801, 987, 1269, 1869, 2403, 2961, 3807, 4183, 5607, 7209, 8883, 12549, 16821, 26649, 29281, 37647, 50463, 87843, 112941, 263529, 338823, 790587, 2371761]

約数ペア:

[(1, 2371761), (3, 790587), (7, 338823), (9, 263529), (21, 112941), (27, 87843), (47, 50463), (63, 37647), (81, 29281), (89, 26649), (141, 16821), (189, 12549), (267, 8883), (329, 7209), (423, 5607), (567, 4183), (623, 3807), (801, 2961), (987, 2403), (1269, 1869)]