3947985

素因数分解:

$3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{1487}}^1$

素因数の和:1557

約数の個数: 24

約数和(自身を含む): 6963840

約数和(自身を除く): 3015855

約数列:

[1, 3, 5, 9, 15, 45, 59, 177, 295, 531, 885, 1487, 2655, 4461, 7435, 13383, 22305, 66915, 87733, 263199, 438665, 789597, 1315995, 3947985]

約数ペア:

[(1, 3947985), (3, 1315995), (5, 789597), (9, 438665), (15, 263199), (45, 87733), (59, 66915), (177, 22305), (295, 13383), (531, 7435), (885, 4461), (1487, 2655)]