278426025

素因数分解:

$3^3\times 5^2\times {\mathrm{397}}^1\times {\mathrm{1039}}^1$

素因数の和:1455

約数の個数: 48

約数和(自身を含む): 513260800

約数和(自身を除く): 234834775

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 397, 675, 1039, 1191, 1985, 3117, 3573, 5195, 5955, 9351, 9925, 10719, 15585, 17865, 25975, 28053, 29775, 46755, 53595, 77925, 89325, 140265, 233775, 267975, 412483, 701325, 1237449, 2062415, 3712347, 6187245, 10312075, 11137041, 18561735, 30936225, 55685205, 92808675, 278426025]

約数ペア:

[(1, 278426025), (3, 92808675), (5, 55685205), (9, 30936225), (15, 18561735), (25, 11137041), (27, 10312075), (45, 6187245), (75, 3712347), (135, 2062415), (225, 1237449), (397, 701325), (675, 412483), (1039, 267975), (1191, 233775), (1985, 140265), (3117, 89325), (3573, 77925), (5195, 53595), (5955, 46755), (9351, 29775), (9925, 28053), (10719, 25975), (15585, 17865)]