68438985

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{1201}}^1$

素因数の和:1369

約数の個数: 32

約数和(自身を含む): 114238080

約数和(自身を除く): 45799095

約数列:

[1, 3, 5, 15, 29, 87, 131, 145, 393, 435, 655, 1201, 1965, 3603, 3799, 6005, 11397, 18015, 18995, 34829, 56985, 104487, 157331, 174145, 471993, 522435, 786655, 2359965, 4562599, 13687797, 22812995, 68438985]

約数ペア:

[(1, 68438985), (3, 22812995), (5, 13687797), (15, 4562599), (29, 2359965), (87, 786655), (131, 522435), (145, 471993), (393, 174145), (435, 157331), (655, 104487), (1201, 56985), (1965, 34829), (3603, 18995), (3799, 18015), (6005, 11397)]