11720511

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:137

約数の個数: 64

約数和(自身を含む): 20889600

約数和(自身を除く): 9169089

約数列:

[1, 3, 9, 11, 19, 27, 31, 33, 57, 67, 93, 99, 171, 201, 209, 279, 297, 341, 513, 589, 603, 627, 737, 837, 1023, 1273, 1767, 1809, 1881, 2077, 2211, 3069, 3819, 5301, 5643, 6231, 6479, 6633, 9207, 11457, 14003, 15903, 18693, 19437, 19899, 22847, 34371, 39463, 42009, 56079, 58311, 68541, 118389, 126027, 174933, 205623, 355167, 378081, 434093, 616869, 1065501, 1302279, 3906837, 11720511]

約数ペア:

[(1, 11720511), (3, 3906837), (9, 1302279), (11, 1065501), (19, 616869), (27, 434093), (31, 378081), (33, 355167), (57, 205623), (67, 174933), (93, 126027), (99, 118389), (171, 68541), (201, 58311), (209, 56079), (279, 42009), (297, 39463), (341, 34371), (513, 22847), (589, 19899), (603, 19437), (627, 18693), (737, 15903), (837, 14003), (1023, 11457), (1273, 9207), (1767, 6633), (1809, 6479), (1881, 6231), (2077, 5643), (2211, 5301), (3069, 3819)]