71704215

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{8521}}^1$

素因数の和:8560

約数の個数: 48

約数和(自身を含む): 143578656

約数和(自身を除く): 71874441

約数列:

[1, 3, 5, 9, 11, 15, 17, 33, 45, 51, 55, 85, 99, 153, 165, 187, 255, 495, 561, 765, 935, 1683, 2805, 8415, 8521, 25563, 42605, 76689, 93731, 127815, 144857, 281193, 383445, 434571, 468655, 724285, 843579, 1303713, 1405965, 1593427, 2172855, 4217895, 4780281, 6518565, 7967135, 14340843, 23901405, 71704215]

約数ペア:

[(1, 71704215), (3, 23901405), (5, 14340843), (9, 7967135), (11, 6518565), (15, 4780281), (17, 4217895), (33, 2172855), (45, 1593427), (51, 1405965), (55, 1303713), (85, 843579), (99, 724285), (153, 468655), (165, 434571), (187, 383445), (255, 281193), (495, 144857), (561, 127815), (765, 93731), (935, 76689), (1683, 42605), (2805, 25563), (8415, 8521)]