71494521

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1\times {\mathrm{313}}^1$

素因数の和:545

約数の個数: 32

約数和(自身を含む): 111532800

約数和(自身を除く): 40038279

約数列:

[1, 3, 7, 21, 73, 149, 219, 313, 447, 511, 939, 1043, 1533, 2191, 3129, 6573, 10877, 22849, 32631, 46637, 68547, 76139, 139911, 159943, 228417, 326459, 479829, 979377, 3404501, 10213503, 23831507, 71494521]

約数ペア:

[(1, 71494521), (3, 23831507), (7, 10213503), (21, 3404501), (73, 979377), (149, 479829), (219, 326459), (313, 228417), (447, 159943), (511, 139911), (939, 76139), (1043, 68547), (1533, 46637), (2191, 32631), (3129, 22849), (6573, 10877)]