209437965

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{523}}^1\times {\mathrm{809}}^1$

素因数の和:1354

約数の個数: 48

約数和(自身を含む): 397275840

約数和(自身を除く): 187837875

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 523, 809, 1569, 2427, 2615, 4045, 4707, 5753, 7281, 7845, 8899, 12135, 17259, 23535, 26697, 28765, 36405, 44495, 51777, 80091, 86295, 133485, 258885, 400455, 423107, 1269321, 2115535, 3807963, 4654177, 6346605, 13962531, 19039815, 23270885, 41887593, 69812655, 209437965]

約数ペア:

[(1, 209437965), (3, 69812655), (5, 41887593), (9, 23270885), (11, 19039815), (15, 13962531), (33, 6346605), (45, 4654177), (55, 3807963), (99, 2115535), (165, 1269321), (495, 423107), (523, 400455), (809, 258885), (1569, 133485), (2427, 86295), (2615, 80091), (4045, 51777), (4707, 44495), (5753, 36405), (7281, 28765), (7845, 26697), (8899, 23535), (12135, 17259)]