215399501

素因数分解:

${\mathrm{29}}^1\times {\mathrm{31}}^2\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:281

約数の個数: 24

約数和(自身を含む): 235936800

約数和(自身を除く): 20537299

約数列:

[1, 29, 31, 59, 131, 899, 961, 1711, 1829, 3799, 4061, 7729, 27869, 53041, 56699, 117769, 125891, 224141, 239599, 1644271, 3650839, 6948371, 7427569, 215399501]

約数ペア:

[(1, 215399501), (29, 7427569), (31, 6948371), (59, 3650839), (131, 1644271), (899, 239599), (961, 224141), (1711, 125891), (1829, 117769), (3799, 56699), (4061, 53041), (7729, 27869)]