660165795

素因数分解:

$3^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{16139}}^1$

素因数の和:16257

約数の個数: 40

約数和(自身を含む): 1195199280

約数和(自身を除く): 535033485

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 101, 135, 303, 405, 505, 909, 1515, 2727, 4545, 8181, 13635, 16139, 40905, 48417, 80695, 145251, 242085, 435753, 726255, 1307259, 1630039, 2178765, 4890117, 6536295, 8150195, 14670351, 24450585, 44011053, 73351755, 132033159, 220055265, 660165795]

約数ペア:

[(1, 660165795), (3, 220055265), (5, 132033159), (9, 73351755), (15, 44011053), (27, 24450585), (45, 14670351), (81, 8150195), (101, 6536295), (135, 4890117), (303, 2178765), (405, 1630039), (505, 1307259), (909, 726255), (1515, 435753), (2727, 242085), (4545, 145251), (8181, 80695), (13635, 48417), (16139, 40905)]