15251922

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{157}}^1\times {\mathrm{257}}^1$

素因数の和:432

約数の個数: 64

約数和(自身を含む): 39133440

約数和(自身を除く): 23881518

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 157, 189, 257, 314, 378, 471, 514, 771, 942, 1099, 1413, 1542, 1799, 2198, 2313, 2826, 3297, 3598, 4239, 4626, 5397, 6594, 6939, 8478, 9891, 10794, 13878, 16191, 19782, 29673, 32382, 40349, 48573, 59346, 80698, 97146, 121047, 242094, 282443, 363141, 564886, 726282, 847329, 1089423, 1694658, 2178846, 2541987, 5083974, 7625961, 15251922]

約数ペア:

[(1, 15251922), (2, 7625961), (3, 5083974), (6, 2541987), (7, 2178846), (9, 1694658), (14, 1089423), (18, 847329), (21, 726282), (27, 564886), (42, 363141), (54, 282443), (63, 242094), (126, 121047), (157, 97146), (189, 80698), (257, 59346), (314, 48573), (378, 40349), (471, 32382), (514, 29673), (771, 19782), (942, 16191), (1099, 13878), (1413, 10794), (1542, 9891), (1799, 8478), (2198, 6939), (2313, 6594), (2826, 5397), (3297, 4626), (3598, 4239)]