26881743

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{347}}^1$

素因数の和:412

約数の個数: 48

約数和(自身を含む): 45702144

約数和(自身を除く): 18820401

約数列:

[1, 3, 7, 17, 21, 31, 49, 51, 93, 119, 147, 217, 347, 357, 527, 651, 833, 1041, 1519, 1581, 2429, 2499, 3689, 4557, 5899, 7287, 10757, 11067, 17003, 17697, 25823, 32271, 41293, 51009, 75299, 77469, 123879, 182869, 225897, 289051, 527093, 548607, 867153, 1280083, 1581279, 3840249, 8960581, 26881743]

約数ペア:

[(1, 26881743), (3, 8960581), (7, 3840249), (17, 1581279), (21, 1280083), (31, 867153), (49, 548607), (51, 527093), (93, 289051), (119, 225897), (147, 182869), (217, 123879), (347, 77469), (357, 75299), (527, 51009), (651, 41293), (833, 32271), (1041, 25823), (1519, 17697), (1581, 17003), (2429, 11067), (2499, 10757), (3689, 7287), (4557, 5899)]