1720222581

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{1049}}^1$

素因数の和:1330

約数の個数: 64

約数和(自身を含む): 2967552000

約数和(自身を除く): 1247329419

約数列:

[1, 3, 7, 11, 21, 31, 33, 77, 93, 217, 229, 231, 341, 651, 687, 1023, 1049, 1603, 2387, 2519, 3147, 4809, 7099, 7161, 7343, 7557, 11539, 17633, 21297, 22029, 32519, 34617, 49693, 52899, 78089, 80773, 97557, 149079, 227633, 234267, 240221, 242319, 357709, 546623, 682899, 720663, 1073127, 1639869, 1681547, 2503963, 2642431, 5044641, 7446851, 7511889, 7927293, 18497017, 22340553, 52127957, 55491051, 81915361, 156383871, 245746083, 573407527, 1720222581]

約数ペア:

[(1, 1720222581), (3, 573407527), (7, 245746083), (11, 156383871), (21, 81915361), (31, 55491051), (33, 52127957), (77, 22340553), (93, 18497017), (217, 7927293), (229, 7511889), (231, 7446851), (341, 5044641), (651, 2642431), (687, 2503963), (1023, 1681547), (1049, 1639869), (1603, 1073127), (2387, 720663), (2519, 682899), (3147, 546623), (4809, 357709), (7099, 242319), (7161, 240221), (7343, 234267), (7557, 227633), (11539, 149079), (17633, 97557), (21297, 80773), (22029, 78089), (32519, 52899), (34617, 49693)]