201812865

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1$

素因数の和:362

約数の個数: 64

約数和(自身を含む): 355622400

約数和(自身を除く): 153809535

約数列:

[1, 3, 5, 15, 17, 41, 51, 85, 97, 123, 199, 205, 255, 291, 485, 597, 615, 697, 995, 1455, 1649, 2091, 2985, 3383, 3485, 3977, 4947, 8159, 8245, 10149, 10455, 11931, 16915, 19303, 19885, 24477, 24735, 40795, 50745, 57909, 59655, 67609, 96515, 122385, 138703, 202827, 289545, 328151, 338045, 416109, 693515, 791423, 984453, 1014135, 1640755, 2080545, 2374269, 3957115, 4922265, 11871345, 13454191, 40362573, 67270955, 201812865]

約数ペア:

[(1, 201812865), (3, 67270955), (5, 40362573), (15, 13454191), (17, 11871345), (41, 4922265), (51, 3957115), (85, 2374269), (97, 2080545), (123, 1640755), (199, 1014135), (205, 984453), (255, 791423), (291, 693515), (485, 416109), (597, 338045), (615, 328151), (697, 289545), (995, 202827), (1455, 138703), (1649, 122385), (2091, 96515), (2985, 67609), (3383, 59655), (3485, 57909), (3977, 50745), (4947, 40795), (8159, 24735), (8245, 24477), (10149, 19885), (10455, 19303), (11931, 16915)]