208517835

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{103}}^1\times {\mathrm{467}}^1$

素因数の和:612

約数の個数: 48

約数和(自身を含む): 358615296

約数和(自身を除く): 150097461

約数列:

[1, 3, 5, 15, 17, 51, 85, 103, 255, 289, 309, 467, 515, 867, 1401, 1445, 1545, 1751, 2335, 4335, 5253, 7005, 7939, 8755, 23817, 26265, 29767, 39695, 48101, 89301, 119085, 134963, 144303, 148835, 240505, 404889, 446505, 674815, 721515, 817717, 2024445, 2453151, 4088585, 12265755, 13901189, 41703567, 69505945, 208517835]

約数ペア:

[(1, 208517835), (3, 69505945), (5, 41703567), (15, 13901189), (17, 12265755), (51, 4088585), (85, 2453151), (103, 2024445), (255, 817717), (289, 721515), (309, 674815), (467, 446505), (515, 404889), (867, 240505), (1401, 148835), (1445, 144303), (1545, 134963), (1751, 119085), (2335, 89301), (4335, 48101), (5253, 39695), (7005, 29767), (7939, 26265), (8755, 23817)]