309702987

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{28183}}^1$

素因数の和:28240

約数の個数: 32

約数和(自身を含む): 514076160

約数和(自身を除く): 204373173

約数列:

[1, 3, 9, 11, 27, 33, 37, 99, 111, 297, 333, 407, 999, 1221, 3663, 10989, 28183, 84549, 253647, 310013, 760941, 930039, 1042771, 2790117, 3128313, 8370351, 9384939, 11470481, 28154817, 34411443, 103234329, 309702987]

約数ペア:

[(1, 309702987), (3, 103234329), (9, 34411443), (11, 28154817), (27, 11470481), (33, 9384939), (37, 8370351), (99, 3128313), (111, 2790117), (297, 1042771), (333, 930039), (407, 760941), (999, 310013), (1221, 253647), (3663, 84549), (10989, 28183)]