7820505

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:127

約数の個数: 96

約数和(自身を含む): 17641728

約数和(自身を除く): 9821223

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 37, 45, 55, 61, 63, 77, 99, 105, 111, 165, 183, 185, 231, 259, 305, 315, 333, 385, 407, 427, 495, 549, 555, 671, 693, 777, 915, 1155, 1221, 1281, 1295, 1665, 2013, 2035, 2135, 2257, 2331, 2745, 2849, 3355, 3465, 3663, 3843, 3885, 4697, 6039, 6105, 6405, 6771, 8547, 10065, 11285, 11655, 14091, 14245, 15799, 18315, 19215, 20313, 23485, 24827, 25641, 30195, 33855, 42273, 42735, 47397, 70455, 74481, 78995, 101565, 124135, 128205, 142191, 173789, 211365, 223443, 236985, 372405, 521367, 710955, 868945, 1117215, 1564101, 2606835, 7820505]

約数ペア:

[(1, 7820505), (3, 2606835), (5, 1564101), (7, 1117215), (9, 868945), (11, 710955), (15, 521367), (21, 372405), (33, 236985), (35, 223443), (37, 211365), (45, 173789), (55, 142191), (61, 128205), (63, 124135), (77, 101565), (99, 78995), (105, 74481), (111, 70455), (165, 47397), (183, 42735), (185, 42273), (231, 33855), (259, 30195), (305, 25641), (315, 24827), (333, 23485), (385, 20313), (407, 19215), (427, 18315), (495, 15799), (549, 14245), (555, 14091), (671, 11655), (693, 11285), (777, 10065), (915, 8547), (1155, 6771), (1221, 6405), (1281, 6105), (1295, 6039), (1665, 4697), (2013, 3885), (2035, 3843), (2135, 3663), (2257, 3465), (2331, 3355), (2745, 2849)]