72207429

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{251}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 119508480

約数和(自身を除く): 47301051

約数列:

[1, 3, 7, 19, 21, 49, 57, 103, 133, 147, 251, 309, 399, 721, 753, 931, 1757, 1957, 2163, 2793, 4769, 5047, 5271, 5871, 12299, 13699, 14307, 15141, 25853, 33383, 36897, 41097, 77559, 95893, 100149, 180971, 233681, 287679, 491207, 542913, 701043, 1266797, 1473621, 3438449, 3800391, 10315347, 24069143, 72207429]

約数ペア:

[(1, 72207429), (3, 24069143), (7, 10315347), (19, 3800391), (21, 3438449), (49, 1473621), (57, 1266797), (103, 701043), (133, 542913), (147, 491207), (251, 287679), (309, 233681), (399, 180971), (721, 100149), (753, 95893), (931, 77559), (1757, 41097), (1957, 36897), (2163, 33383), (2793, 25853), (4769, 15141), (5047, 14307), (5271, 13699), (5871, 12299)]