275825085

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{359}}^1$

素因数の和:538

約数の個数: 64

約数和(自身を含む): 492687360

約数和(自身を除く): 216862275

約数列:

[1, 3, 5, 15, 17, 23, 51, 69, 85, 115, 131, 255, 345, 359, 391, 393, 655, 1077, 1173, 1795, 1955, 1965, 2227, 3013, 5385, 5865, 6103, 6681, 8257, 9039, 11135, 15065, 18309, 24771, 30515, 33405, 41285, 45195, 47029, 51221, 91545, 123855, 140369, 141087, 153663, 235145, 256105, 421107, 701845, 705435, 768315, 799493, 1081667, 2105535, 2398479, 3245001, 3997465, 5408335, 11992395, 16225005, 18388339, 55165017, 91941695, 275825085]

約数ペア:

[(1, 275825085), (3, 91941695), (5, 55165017), (15, 18388339), (17, 16225005), (23, 11992395), (51, 5408335), (69, 3997465), (85, 3245001), (115, 2398479), (131, 2105535), (255, 1081667), (345, 799493), (359, 768315), (391, 705435), (393, 701845), (655, 421107), (1077, 256105), (1173, 235145), (1795, 153663), (1955, 141087), (1965, 140369), (2227, 123855), (3013, 91545), (5385, 51221), (5865, 47029), (6103, 45195), (6681, 41285), (8257, 33405), (9039, 30515), (11135, 24771), (15065, 18309)]