16508747241

素因数分解:

$3^3\times 7^2\times {\mathrm{53}}^1\times {\mathrm{235439}}^1$

素因数の和:235515

約数の個数: 48

約数和(自身を含む): 28987372800

約数和(自身を除く): 12478625559

約数列:

[1, 3, 7, 9, 21, 27, 49, 53, 63, 147, 159, 189, 371, 441, 477, 1113, 1323, 1431, 2597, 3339, 7791, 10017, 23373, 70119, 235439, 706317, 1648073, 2118951, 4944219, 6356853, 11536511, 12478267, 14832657, 34609533, 37434801, 44497971, 87347869, 103828599, 112304403, 262043607, 311485797, 336913209, 611435083, 786130821, 1834305249, 2358392463, 5502915747, 16508747241]

約数ペア:

[(1, 16508747241), (3, 5502915747), (7, 2358392463), (9, 1834305249), (21, 786130821), (27, 611435083), (49, 336913209), (53, 311485797), (63, 262043607), (147, 112304403), (159, 103828599), (189, 87347869), (371, 44497971), (441, 37434801), (477, 34609533), (1113, 14832657), (1323, 12478267), (1431, 11536511), (2597, 6356853), (3339, 4944219), (7791, 2118951), (10017, 1648073), (23373, 706317), (70119, 235439)]