9840987

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{53}}^1$

素因数の和:121

約数の個数: 48

約数和(自身を含む): 16722720

約数和(自身を除く): 6881733

約数列:

[1, 3, 9, 13, 23, 27, 39, 53, 69, 117, 159, 207, 299, 351, 477, 529, 621, 689, 897, 1219, 1431, 1587, 2067, 2691, 3657, 4761, 6201, 6877, 8073, 10971, 14283, 15847, 18603, 20631, 28037, 32913, 47541, 61893, 84111, 142623, 185679, 252333, 364481, 427869, 756999, 1093443, 3280329, 9840987]

約数ペア:

[(1, 9840987), (3, 3280329), (9, 1093443), (13, 756999), (23, 427869), (27, 364481), (39, 252333), (53, 185679), (69, 142623), (117, 84111), (159, 61893), (207, 47541), (299, 32913), (351, 28037), (477, 20631), (529, 18603), (621, 15847), (689, 14283), (897, 10971), (1219, 8073), (1431, 6877), (1587, 6201), (2067, 4761), (2691, 3657)]