1985891817

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{48821}}^1$

素因数の和:48993

約数の個数: 32

約数和(自身を含む): 3280838400

約数和(自身を除く): 1294946583

約数列:

[1, 3, 7, 13, 21, 39, 91, 149, 273, 447, 1043, 1937, 3129, 5811, 13559, 40677, 48821, 146463, 341747, 634673, 1025241, 1904019, 4442711, 7274329, 13328133, 21822987, 50920303, 94566277, 152760909, 283698831, 661963939, 1985891817]

約数ペア:

[(1, 1985891817), (3, 661963939), (7, 283698831), (13, 152760909), (21, 94566277), (39, 50920303), (91, 21822987), (149, 13328133), (273, 7274329), (447, 4442711), (1043, 1904019), (1937, 1025241), (3129, 634673), (5811, 341747), (13559, 146463), (40677, 48821)]