1969695

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1$

素因数の和:81

約数の個数: 72

約数和(自身を含む): 4339296

約数和(自身を除く): 2369601

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 37, 39, 45, 63, 65, 91, 105, 111, 117, 169, 185, 195, 259, 273, 315, 333, 455, 481, 507, 555, 585, 777, 819, 845, 1183, 1295, 1365, 1443, 1521, 1665, 2331, 2405, 2535, 3367, 3549, 3885, 4095, 4329, 5915, 6253, 7215, 7605, 10101, 10647, 11655, 16835, 17745, 18759, 21645, 30303, 31265, 43771, 50505, 53235, 56277, 93795, 131313, 151515, 218855, 281385, 393939, 656565, 1969695]

約数ペア:

[(1, 1969695), (3, 656565), (5, 393939), (7, 281385), (9, 218855), (13, 151515), (15, 131313), (21, 93795), (35, 56277), (37, 53235), (39, 50505), (45, 43771), (63, 31265), (65, 30303), (91, 21645), (105, 18759), (111, 17745), (117, 16835), (169, 11655), (185, 10647), (195, 10101), (259, 7605), (273, 7215), (315, 6253), (333, 5915), (455, 4329), (481, 4095), (507, 3885), (555, 3549), (585, 3367), (777, 2535), (819, 2405), (845, 2331), (1183, 1665), (1295, 1521), (1365, 1443)]