28772775

素因数分解:

$3^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{3119}}^1$

素因数の和:3176

約数の個数: 36

約数和(自身を含む): 52809120

約数和(自身を除く): 24036345

約数列:

[1, 3, 5, 9, 15, 25, 41, 45, 75, 123, 205, 225, 369, 615, 1025, 1845, 3075, 3119, 9225, 9357, 15595, 28071, 46785, 77975, 127879, 140355, 233925, 383637, 639395, 701775, 1150911, 1918185, 3196975, 5754555, 9590925, 28772775]

約数ペア:

[(1, 28772775), (3, 9590925), (5, 5754555), (9, 3196975), (15, 1918185), (25, 1150911), (41, 701775), (45, 639395), (75, 383637), (123, 233925), (205, 140355), (225, 127879), (369, 77975), (615, 46785), (1025, 28071), (1845, 15595), (3075, 9357), (3119, 9225)]