13691223

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{229}}^1$

素因数の和:328

約数の個数: 48

約数和(自身を含む): 24781120

約数和(自身を除く): 11089897

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 73, 91, 117, 219, 229, 273, 511, 657, 687, 819, 949, 1533, 1603, 2061, 2847, 2977, 4599, 4809, 6643, 8541, 8931, 14427, 16717, 19929, 20839, 26793, 50151, 59787, 62517, 117019, 150453, 187551, 217321, 351057, 651963, 1053171, 1521247, 1955889, 4563741, 13691223]

約数ペア:

[(1, 13691223), (3, 4563741), (7, 1955889), (9, 1521247), (13, 1053171), (21, 651963), (39, 351057), (63, 217321), (73, 187551), (91, 150453), (117, 117019), (219, 62517), (229, 59787), (273, 50151), (511, 26793), (657, 20839), (687, 19929), (819, 16717), (949, 14427), (1533, 8931), (1603, 8541), (2061, 6643), (2847, 4809), (2977, 4599)]