31389969

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{293}}^1$

素因数の和:417

約数の個数: 32

約数和(自身を含む): 47021184

約数和(自身を除く): 15631215

約数列:

[1, 3, 13, 39, 41, 67, 123, 201, 293, 533, 871, 879, 1599, 2613, 2747, 3809, 8241, 11427, 12013, 19631, 35711, 36039, 58893, 107133, 156169, 255203, 468507, 765609, 804871, 2414613, 10463323, 31389969]

約数ペア:

[(1, 31389969), (3, 10463323), (13, 2414613), (39, 804871), (41, 765609), (67, 468507), (123, 255203), (201, 156169), (293, 107133), (533, 58893), (871, 36039), (879, 35711), (1599, 19631), (2613, 12013), (2747, 11427), (3809, 8241)]