39910815

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{257}}^1$

素因数の和:321

約数の個数: 96

約数和(自身を含む): 86935680

約数和(自身を除く): 47024865

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 29, 35, 45, 51, 63, 85, 87, 105, 119, 145, 153, 203, 255, 257, 261, 315, 357, 435, 493, 595, 609, 765, 771, 1015, 1071, 1285, 1305, 1479, 1785, 1799, 1827, 2313, 2465, 3045, 3451, 3855, 4369, 4437, 5355, 5397, 7395, 7453, 8995, 9135, 10353, 11565, 13107, 16191, 17255, 21845, 22185, 22359, 26985, 30583, 31059, 37265, 39321, 51765, 52171, 65535, 67077, 80955, 91749, 111795, 126701, 152915, 155295, 156513, 196605, 260855, 275247, 335385, 380103, 458745, 469539, 633505, 782565, 886907, 1140309, 1376235, 1900515, 2347695, 2660721, 4434535, 5701545, 7982163, 13303605, 39910815]

約数ペア:

[(1, 39910815), (3, 13303605), (5, 7982163), (7, 5701545), (9, 4434535), (15, 2660721), (17, 2347695), (21, 1900515), (29, 1376235), (35, 1140309), (45, 886907), (51, 782565), (63, 633505), (85, 469539), (87, 458745), (105, 380103), (119, 335385), (145, 275247), (153, 260855), (203, 196605), (255, 156513), (257, 155295), (261, 152915), (315, 126701), (357, 111795), (435, 91749), (493, 80955), (595, 67077), (609, 65535), (765, 52171), (771, 51765), (1015, 39321), (1071, 37265), (1285, 31059), (1305, 30583), (1479, 26985), (1785, 22359), (1799, 22185), (1827, 21845), (2313, 17255), (2465, 16191), (3045, 13107), (3451, 11565), (3855, 10353), (4369, 9135), (4437, 8995), (5355, 7453), (5397, 7395)]