251036739

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{907}}^1$

素因数の和:1006

約数の個数: 48

約数和(自身を含む): 404546688

約数和(自身を除く): 153509949

約数列:

[1, 3, 9, 17, 27, 51, 67, 81, 153, 201, 243, 459, 603, 907, 1139, 1377, 1809, 2721, 3417, 4131, 5427, 8163, 10251, 15419, 16281, 24489, 30753, 46257, 60769, 73467, 92259, 138771, 182307, 220401, 276777, 416313, 546921, 1033073, 1248939, 1640763, 3099219, 3746817, 4922289, 9297657, 14766867, 27892971, 83678913, 251036739]

約数ペア:

[(1, 251036739), (3, 83678913), (9, 27892971), (17, 14766867), (27, 9297657), (51, 4922289), (67, 3746817), (81, 3099219), (153, 1640763), (201, 1248939), (243, 1033073), (459, 546921), (603, 416313), (907, 276777), (1139, 220401), (1377, 182307), (1809, 138771), (2721, 92259), (3417, 73467), (4131, 60769), (5427, 46257), (8163, 30753), (10251, 24489), (15419, 16281)]