28576575

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1$

素因数の和:305

約数の個数: 72

約数和(自身を含む): 56174976

約数和(自身を除く): 27598401

約数列:

[1, 3, 5, 9, 15, 17, 25, 31, 45, 51, 75, 85, 93, 153, 155, 225, 241, 255, 279, 425, 465, 527, 723, 765, 775, 1205, 1275, 1395, 1581, 2169, 2325, 2635, 3615, 3825, 4097, 4743, 6025, 6975, 7471, 7905, 10845, 12291, 13175, 18075, 20485, 22413, 23715, 36873, 37355, 39525, 54225, 61455, 67239, 102425, 112065, 118575, 127007, 184365, 186775, 307275, 336195, 381021, 560325, 635035, 921825, 1143063, 1680975, 1905105, 3175175, 5715315, 9525525, 28576575]

約数ペア:

[(1, 28576575), (3, 9525525), (5, 5715315), (9, 3175175), (15, 1905105), (17, 1680975), (25, 1143063), (31, 921825), (45, 635035), (51, 560325), (75, 381021), (85, 336195), (93, 307275), (153, 186775), (155, 184365), (225, 127007), (241, 118575), (255, 112065), (279, 102425), (425, 67239), (465, 61455), (527, 54225), (723, 39525), (765, 37355), (775, 36873), (1205, 23715), (1275, 22413), (1395, 20485), (1581, 18075), (2169, 13175), (2325, 12291), (2635, 10845), (3615, 7905), (3825, 7471), (4097, 6975), (4743, 6025)]