79902975

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{2161}}^1$

素因数の和:2220

約数の個数: 48

約数和(自身を含む): 144767520

約数和(自身を除く): 64864545

約数列:

[1, 3, 5, 15, 17, 25, 29, 51, 75, 85, 87, 145, 255, 425, 435, 493, 725, 1275, 1479, 2161, 2175, 2465, 6483, 7395, 10805, 12325, 32415, 36737, 36975, 54025, 62669, 110211, 162075, 183685, 188007, 313345, 551055, 918425, 940035, 1065373, 1566725, 2755275, 3196119, 4700175, 5326865, 15980595, 26634325, 79902975]

約数ペア:

[(1, 79902975), (3, 26634325), (5, 15980595), (15, 5326865), (17, 4700175), (25, 3196119), (29, 2755275), (51, 1566725), (75, 1065373), (85, 940035), (87, 918425), (145, 551055), (255, 313345), (425, 188007), (435, 183685), (493, 162075), (725, 110211), (1275, 62669), (1479, 54025), (2161, 36975), (2175, 36737), (2465, 32415), (6483, 12325), (7395, 10805)]