165137745

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{163}}^1$

素因数の和:354

約数の個数: 64

約数和(自身を含む): 293310720

約数和(自身を除く): 128172975

約数列:

[1, 3, 5, 15, 17, 29, 51, 85, 87, 137, 145, 163, 255, 411, 435, 489, 493, 685, 815, 1479, 2055, 2329, 2445, 2465, 2771, 3973, 4727, 6987, 7395, 8313, 11645, 11919, 13855, 14181, 19865, 22331, 23635, 34935, 41565, 59595, 66993, 67541, 70905, 80359, 111655, 202623, 241077, 334965, 337705, 379627, 401795, 647599, 1013115, 1138881, 1205385, 1898135, 1942797, 3237995, 5694405, 9713985, 11009183, 33027549, 55045915, 165137745]

約数ペア:

[(1, 165137745), (3, 55045915), (5, 33027549), (15, 11009183), (17, 9713985), (29, 5694405), (51, 3237995), (85, 1942797), (87, 1898135), (137, 1205385), (145, 1138881), (163, 1013115), (255, 647599), (411, 401795), (435, 379627), (489, 337705), (493, 334965), (685, 241077), (815, 202623), (1479, 111655), (2055, 80359), (2329, 70905), (2445, 67541), (2465, 66993), (2771, 59595), (3973, 41565), (4727, 34935), (6987, 23635), (7395, 22331), (8313, 19865), (11645, 14181), (11919, 13855)]