991494

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:122

約数の個数: 64

約数和(自身を含む): 2618880

約数和(自身を除く): 1627386

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 43, 54, 61, 63, 86, 122, 126, 129, 183, 189, 258, 301, 366, 378, 387, 427, 549, 602, 774, 854, 903, 1098, 1161, 1281, 1647, 1806, 2322, 2562, 2623, 2709, 3294, 3843, 5246, 5418, 7686, 7869, 8127, 11529, 15738, 16254, 18361, 23058, 23607, 36722, 47214, 55083, 70821, 110166, 141642, 165249, 330498, 495747, 991494]

約数ペア:

[(1, 991494), (2, 495747), (3, 330498), (6, 165249), (7, 141642), (9, 110166), (14, 70821), (18, 55083), (21, 47214), (27, 36722), (42, 23607), (43, 23058), (54, 18361), (61, 16254), (63, 15738), (86, 11529), (122, 8127), (126, 7869), (129, 7686), (183, 5418), (189, 5246), (258, 3843), (301, 3294), (366, 2709), (378, 2623), (387, 2562), (427, 2322), (549, 1806), (602, 1647), (774, 1281), (854, 1161), (903, 1098)]