28573515

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{911}}^1$

素因数の和:980

約数の個数: 48

約数和(自身を含む): 53778816

約数和(自身を除く): 25205301

約数列:

[1, 3, 5, 9, 15, 17, 41, 45, 51, 85, 123, 153, 205, 255, 369, 615, 697, 765, 911, 1845, 2091, 2733, 3485, 4555, 6273, 8199, 10455, 13665, 15487, 31365, 37351, 40995, 46461, 77435, 112053, 139383, 186755, 232305, 336159, 560265, 634967, 696915, 1680795, 1904901, 3174835, 5714703, 9524505, 28573515]

約数ペア:

[(1, 28573515), (3, 9524505), (5, 5714703), (9, 3174835), (15, 1904901), (17, 1680795), (41, 696915), (45, 634967), (51, 560265), (85, 336159), (123, 232305), (153, 186755), (205, 139383), (255, 112053), (369, 77435), (615, 46461), (697, 40995), (765, 37351), (911, 31365), (1845, 15487), (2091, 13665), (2733, 10455), (3485, 8199), (4555, 6273)]