4128705

素因数分解:

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

素因数の和:295

約数の個数: 64

約数和(自身を含む): 8916480

約数和(自身を除く): 4787775

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 27, 35, 45, 51, 63, 85, 105, 119, 135, 153, 189, 255, 257, 315, 357, 459, 595, 765, 771, 945, 1071, 1285, 1785, 1799, 2295, 2313, 3213, 3855, 4369, 5355, 5397, 6939, 8995, 11565, 13107, 16065, 16191, 21845, 26985, 30583, 34695, 39321, 48573, 65535, 80955, 91749, 117963, 152915, 196605, 242865, 275247, 458745, 589815, 825741, 1376235, 4128705]

約数ペア:

[(1, 4128705), (3, 1376235), (5, 825741), (7, 589815), (9, 458745), (15, 275247), (17, 242865), (21, 196605), (27, 152915), (35, 117963), (45, 91749), (51, 80955), (63, 65535), (85, 48573), (105, 39321), (119, 34695), (135, 30583), (153, 26985), (189, 21845), (255, 16191), (257, 16065), (315, 13107), (357, 11565), (459, 8995), (595, 6939), (765, 5397), (771, 5355), (945, 4369), (1071, 3855), (1285, 3213), (1785, 2313), (1799, 2295)]