816453027

素因数分解:

$3^7\times {\mathrm{13}}^2\times {\mathrm{47}}^2$

素因数の和:141

約数の個数: 72

約数和(自身を含む): 1354741680

約数和(自身を除く): 538288653

約数列:

[1, 3, 9, 13, 27, 39, 47, 81, 117, 141, 169, 243, 351, 423, 507, 611, 729, 1053, 1269, 1521, 1833, 2187, 2209, 3159, 3807, 4563, 5499, 6627, 7943, 9477, 11421, 13689, 16497, 19881, 23829, 28431, 28717, 34263, 41067, 49491, 59643, 71487, 86151, 102789, 123201, 148473, 178929, 214461, 258453, 369603, 373321, 445419, 536787, 643383, 775359, 1119963, 1336257, 1610361, 1930149, 2326077, 3359889, 4831083, 5790447, 6978231, 10079667, 17371341, 20934693, 30239001, 62804079, 90717003, 272151009, 816453027]

約数ペア:

[(1, 816453027), (3, 272151009), (9, 90717003), (13, 62804079), (27, 30239001), (39, 20934693), (47, 17371341), (81, 10079667), (117, 6978231), (141, 5790447), (169, 4831083), (243, 3359889), (351, 2326077), (423, 1930149), (507, 1610361), (611, 1336257), (729, 1119963), (1053, 775359), (1269, 643383), (1521, 536787), (1833, 445419), (2187, 373321), (2209, 369603), (3159, 258453), (3807, 214461), (4563, 178929), (5499, 148473), (6627, 123201), (7943, 102789), (9477, 86151), (11421, 71487), (13689, 59643), (16497, 49491), (19881, 41067), (23829, 34263), (28431, 28717)]