156907149

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{5387}}^1$

素因数の和:5489

約数の個数: 32

約数和(自身を含む): 255175680

約数和(自身を除く): 98268531

約数列:

[1, 3, 7, 19, 21, 57, 73, 133, 219, 399, 511, 1387, 1533, 4161, 5387, 9709, 16161, 29127, 37709, 102353, 113127, 307059, 393251, 716471, 1179753, 2149413, 2752757, 7471769, 8258271, 22415307, 52302383, 156907149]

約数ペア:

[(1, 156907149), (3, 52302383), (7, 22415307), (19, 8258271), (21, 7471769), (57, 2752757), (73, 2149413), (133, 1179753), (219, 716471), (399, 393251), (511, 307059), (1387, 113127), (1533, 102353), (4161, 37709), (5387, 29127), (9709, 16161)]