71310561

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1\times {\mathrm{257}}^1$

素因数の和:521

約数の個数: 32

約数和(自身を含む): 111191808

約数和(自身を除く): 39881247

約数列:

[1, 3, 7, 21, 73, 181, 219, 257, 511, 543, 771, 1267, 1533, 1799, 3801, 5397, 13213, 18761, 39639, 46517, 56283, 92491, 131327, 139551, 277473, 325619, 393981, 976857, 3395741, 10187223, 23770187, 71310561]

約数ペア:

[(1, 71310561), (3, 23770187), (7, 10187223), (21, 3395741), (73, 976857), (181, 393981), (219, 325619), (257, 277473), (511, 139551), (543, 131327), (771, 92491), (1267, 56283), (1533, 46517), (1799, 39639), (3801, 18761), (5397, 13213)]