215512785

素因数分解:

$3^3\times 5^1\times {\mathrm{797}}^1\times {\mathrm{2003}}^1$

素因数の和:2814

約数の個数: 32

約数和(自身を含む): 383806080

約数和(自身を除く): 168293295

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 797, 2003, 2391, 3985, 6009, 7173, 10015, 11955, 18027, 21519, 30045, 35865, 54081, 90135, 107595, 270405, 1596391, 4789173, 7981955, 14367519, 23945865, 43102557, 71837595, 215512785]

約数ペア:

[(1, 215512785), (3, 71837595), (5, 43102557), (9, 23945865), (15, 14367519), (27, 7981955), (45, 4789173), (135, 1596391), (797, 270405), (2003, 107595), (2391, 90135), (3985, 54081), (6009, 35865), (7173, 30045), (10015, 21519), (11955, 18027)]