812891403

素因数分解:

$3^3\times {\mathrm{149}}^1\times {\mathrm{202061}}^1$

素因数の和:202219

約数の個数: 16

約数和(自身を含む): 1212372000

約数和(自身を除く): 399480597

約数列:

[1, 3, 9, 27, 149, 447, 1341, 4023, 202061, 606183, 1818549, 5455647, 30107089, 90321267, 270963801, 812891403]

約数ペア:

[(1, 812891403), (3, 270963801), (9, 90321267), (27, 30107089), (149, 5455647), (447, 1818549), (1341, 606183), (4023, 202061)]