31680885

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1249}}^1$

素因数の和:1365

約数の個数: 32

約数和(自身を含む): 54000000

約数和(自身を除く): 22319115

約数列:

[1, 3, 5, 15, 19, 57, 89, 95, 267, 285, 445, 1249, 1335, 1691, 3747, 5073, 6245, 8455, 18735, 23731, 25365, 71193, 111161, 118655, 333483, 355965, 555805, 1667415, 2112059, 6336177, 10560295, 31680885]

約数ペア:

[(1, 31680885), (3, 10560295), (5, 6336177), (15, 2112059), (19, 1667415), (57, 555805), (89, 355965), (95, 333483), (267, 118655), (285, 111161), (445, 71193), (1249, 25365), (1335, 23731), (1691, 18735), (3747, 8455), (5073, 6245)]