4087905

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:106

約数の個数: 48

約数和(自身を含む): 7426944

約数和(自身を除く): 3339039

約数列:

[1, 3, 5, 15, 17, 23, 41, 51, 69, 85, 115, 123, 205, 255, 289, 345, 391, 615, 697, 867, 943, 1173, 1445, 1955, 2091, 2829, 3485, 4335, 4715, 5865, 6647, 10455, 11849, 14145, 16031, 19941, 33235, 35547, 48093, 59245, 80155, 99705, 177735, 240465, 272527, 817581, 1362635, 4087905]

約数ペア:

[(1, 4087905), (3, 1362635), (5, 817581), (15, 272527), (17, 240465), (23, 177735), (41, 99705), (51, 80155), (69, 59245), (85, 48093), (115, 35547), (123, 33235), (205, 19941), (255, 16031), (289, 14145), (345, 11849), (391, 10455), (615, 6647), (697, 5865), (867, 4715), (943, 4335), (1173, 3485), (1445, 2829), (1955, 2091)]