722786841

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{991}}^1$

素因数の和:1251

約数の個数: 64

約数和(自身を含む): 1302773760

約数和(自身を除く): 579986919

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 119, 153, 189, 227, 357, 459, 681, 991, 1071, 1589, 2043, 2973, 3213, 3859, 4767, 6129, 6937, 8919, 11577, 14301, 16847, 20811, 26757, 27013, 34731, 42903, 50541, 62433, 81039, 104193, 117929, 151623, 187299, 224957, 243117, 353787, 454869, 674871, 729351, 1061361, 1574699, 2024613, 3184083, 3824269, 4724097, 6073839, 11472807, 14172291, 26769883, 34418421, 42516873, 80309649, 103255263, 240928947, 722786841]

約数ペア:

[(1, 722786841), (3, 240928947), (7, 103255263), (9, 80309649), (17, 42516873), (21, 34418421), (27, 26769883), (51, 14172291), (63, 11472807), (119, 6073839), (153, 4724097), (189, 3824269), (227, 3184083), (357, 2024613), (459, 1574699), (681, 1061361), (991, 729351), (1071, 674871), (1589, 454869), (2043, 353787), (2973, 243117), (3213, 224957), (3859, 187299), (4767, 151623), (6129, 117929), (6937, 104193), (8919, 81039), (11577, 62433), (14301, 50541), (16847, 42903), (20811, 34731), (26757, 27013)]