9181921

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:205

約数の個数: 32

約数和(自身を含む): 12165120

約数和(自身を除く): 2983199

約数列:

[1, 7, 17, 19, 31, 119, 131, 133, 217, 323, 527, 589, 917, 2227, 2261, 2489, 3689, 4061, 4123, 10013, 15589, 17423, 28427, 42313, 69037, 70091, 77159, 296191, 483259, 540113, 1311703, 9181921]

約数ペア:

[(1, 9181921), (7, 1311703), (17, 540113), (19, 483259), (31, 296191), (119, 77159), (131, 70091), (133, 69037), (217, 42313), (323, 28427), (527, 17423), (589, 15589), (917, 10013), (2227, 4123), (2261, 4061), (2489, 3689)]