1639781955

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{16217}}^1$

素因数の和:16345

約数の個数: 64

約数和(自身を含む): 3362964480

約数和(自身を除く): 1723182525

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 107, 135, 189, 315, 321, 535, 749, 945, 963, 1605, 2247, 2889, 3745, 4815, 6741, 11235, 14445, 16217, 20223, 33705, 48651, 81085, 101115, 113519, 145953, 243255, 340557, 437859, 567595, 729765, 1021671, 1702785, 1735219, 2189295, 3065013, 5108355, 5205657, 8676095, 12146533, 15325065, 15616971, 26028285, 36439599, 46850913, 60732665, 78084855, 109318797, 182197995, 234254565, 327956391, 546593985, 1639781955]

約数ペア:

[(1, 1639781955), (3, 546593985), (5, 327956391), (7, 234254565), (9, 182197995), (15, 109318797), (21, 78084855), (27, 60732665), (35, 46850913), (45, 36439599), (63, 26028285), (105, 15616971), (107, 15325065), (135, 12146533), (189, 8676095), (315, 5205657), (321, 5108355), (535, 3065013), (749, 2189295), (945, 1735219), (963, 1702785), (1605, 1021671), (2247, 729765), (2889, 567595), (3745, 437859), (4815, 340557), (6741, 243255), (11235, 145953), (14445, 113519), (16217, 101115), (20223, 81085), (33705, 48651)]