210901915

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{2791}}^1$

素因数の和:2947

約数の個数: 32

約数和(自身を含む): 308772864

約数和(自身を除く): 97870949

約数列:

[1, 5, 7, 17, 35, 85, 119, 127, 595, 635, 889, 2159, 2791, 4445, 10795, 13955, 15113, 19537, 47447, 75565, 97685, 237235, 332129, 354457, 1660645, 1772285, 2481199, 6025769, 12405995, 30128845, 42180383, 210901915]

約数ペア:

[(1, 210901915), (5, 42180383), (7, 30128845), (17, 12405995), (35, 6025769), (85, 2481199), (119, 1772285), (127, 1660645), (595, 354457), (635, 332129), (889, 237235), (2159, 97685), (2791, 75565), (4445, 47447), (10795, 19537), (13955, 15113)]