7943481

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:143

約数の個数: 64

約数和(自身を含む): 14999040

約数和(自身を除く): 7055559

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 53, 61, 63, 91, 117, 159, 183, 189, 273, 351, 371, 427, 477, 549, 689, 793, 819, 1113, 1281, 1431, 1647, 2067, 2379, 2457, 3233, 3339, 3843, 4823, 5551, 6201, 7137, 9699, 10017, 11529, 14469, 16653, 18603, 21411, 22631, 29097, 42029, 43407, 49959, 67893, 87291, 126087, 130221, 149877, 203679, 294203, 378261, 611037, 882609, 1134783, 2647827, 7943481]

約数ペア:

[(1, 7943481), (3, 2647827), (7, 1134783), (9, 882609), (13, 611037), (21, 378261), (27, 294203), (39, 203679), (53, 149877), (61, 130221), (63, 126087), (91, 87291), (117, 67893), (159, 49959), (183, 43407), (189, 42029), (273, 29097), (351, 22631), (371, 21411), (427, 18603), (477, 16653), (549, 14469), (689, 11529), (793, 10017), (819, 9699), (1113, 7137), (1281, 6201), (1431, 5551), (1647, 4823), (2067, 3843), (2379, 3339), (2457, 3233)]