168420105

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{4493}}^1$

素因数の和:4535

約数の個数: 72

約数和(自身を含む): 359645832

約数和(自身を除く): 191225727

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 45, 49, 51, 63, 85, 105, 119, 147, 153, 245, 255, 315, 357, 441, 595, 735, 765, 833, 1071, 1785, 2205, 2499, 4165, 4493, 5355, 7497, 12495, 13479, 22465, 31451, 37485, 40437, 67395, 76381, 94353, 157255, 202185, 220157, 229143, 283059, 381905, 471765, 534667, 660471, 687429, 1100785, 1145715, 1415295, 1604001, 1981413, 2673335, 3302355, 3437145, 3742669, 4812003, 8020005, 9907065, 11228007, 18713345, 24060015, 33684021, 56140035, 168420105]

約数ペア:

[(1, 168420105), (3, 56140035), (5, 33684021), (7, 24060015), (9, 18713345), (15, 11228007), (17, 9907065), (21, 8020005), (35, 4812003), (45, 3742669), (49, 3437145), (51, 3302355), (63, 2673335), (85, 1981413), (105, 1604001), (119, 1415295), (147, 1145715), (153, 1100785), (245, 687429), (255, 660471), (315, 534667), (357, 471765), (441, 381905), (595, 283059), (735, 229143), (765, 220157), (833, 202185), (1071, 157255), (1785, 94353), (2205, 76381), (2499, 67395), (4165, 40437), (4493, 37485), (5355, 31451), (7497, 22465), (12495, 13479)]