28403775

素因数分解:

$3^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{3079}}^1$

素因数の和:3136

約数の個数: 36

約数和(自身を含む): 52132080

約数和(自身を除く): 23728305

約数列:

[1, 3, 5, 9, 15, 25, 41, 45, 75, 123, 205, 225, 369, 615, 1025, 1845, 3075, 3079, 9225, 9237, 15395, 27711, 46185, 76975, 126239, 138555, 230925, 378717, 631195, 692775, 1136151, 1893585, 3155975, 5680755, 9467925, 28403775]

約数ペア:

[(1, 28403775), (3, 9467925), (5, 5680755), (9, 3155975), (15, 1893585), (25, 1136151), (41, 692775), (45, 631195), (75, 378717), (123, 230925), (205, 138555), (225, 126239), (369, 76975), (615, 46185), (1025, 27711), (1845, 15395), (3075, 9237), (3079, 9225)]