208052145

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{73387}}^1$

素因数の和:73411

約数の個数: 40

約数和(自身を含む): 426237504

約数和(自身を除く): 218185359

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 945, 2835, 73387, 220161, 366935, 513709, 660483, 1100805, 1541127, 1981449, 2568545, 3302415, 4623381, 5944347, 7705635, 9907245, 13870143, 23116905, 29721735, 41610429, 69350715, 208052145]

約数ペア:

[(1, 208052145), (3, 69350715), (5, 41610429), (7, 29721735), (9, 23116905), (15, 13870143), (21, 9907245), (27, 7705635), (35, 5944347), (45, 4623381), (63, 3302415), (81, 2568545), (105, 1981449), (135, 1541127), (189, 1100805), (315, 660483), (405, 513709), (567, 366935), (945, 220161), (2835, 73387)]