256837635

素因数分解:

$3^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2273}}^1$

素因数の和:2327

約数の個数: 56

約数和(自身を含む): 477212544

約数和(自身を除く): 220374909

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 81, 93, 135, 155, 243, 279, 405, 465, 729, 837, 1215, 1395, 2273, 2511, 3645, 4185, 6819, 7533, 11365, 12555, 20457, 22599, 34095, 37665, 61371, 70463, 102285, 112995, 184113, 211389, 306855, 352315, 552339, 634167, 920565, 1056945, 1657017, 1902501, 2761695, 3170835, 5707503, 8285085, 9512505, 17122509, 28537515, 51367527, 85612545, 256837635]

約数ペア:

[(1, 256837635), (3, 85612545), (5, 51367527), (9, 28537515), (15, 17122509), (27, 9512505), (31, 8285085), (45, 5707503), (81, 3170835), (93, 2761695), (135, 1902501), (155, 1657017), (243, 1056945), (279, 920565), (405, 634167), (465, 552339), (729, 352315), (837, 306855), (1215, 211389), (1395, 184113), (2273, 112995), (2511, 102285), (3645, 70463), (4185, 61371), (6819, 37665), (7533, 34095), (11365, 22599), (12555, 20457)]