729304821

素因数分解:

$3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{347}}^1\times {\mathrm{457}}^1$

素因数の和:890

約数の個数: 48

約数和(自身を含む): 1226619264

約数和(自身を除く): 497314443

約数列:

[1, 3, 7, 9, 21, 63, 73, 219, 347, 457, 511, 657, 1041, 1371, 1533, 2429, 3123, 3199, 4113, 4599, 7287, 9597, 21861, 25331, 28791, 33361, 75993, 100083, 158579, 177317, 227979, 233527, 300249, 475737, 531951, 700581, 1110053, 1427211, 1595853, 2101743, 3330159, 9990477, 11576267, 34728801, 81033869, 104186403, 243101607, 729304821]

約数ペア:

[(1, 729304821), (3, 243101607), (7, 104186403), (9, 81033869), (21, 34728801), (63, 11576267), (73, 9990477), (219, 3330159), (347, 2101743), (457, 1595853), (511, 1427211), (657, 1110053), (1041, 700581), (1371, 531951), (1533, 475737), (2429, 300249), (3123, 233527), (3199, 227979), (4113, 177317), (4599, 158579), (7287, 100083), (9597, 75993), (21861, 33361), (25331, 28791)]