15625533

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1$

素因数の和:234

約数の個数: 64

約数和(自身を含む): 28864512

約数和(自身を除く): 13238979

約数列:

[1, 3, 7, 11, 17, 21, 23, 33, 51, 69, 77, 119, 161, 173, 187, 231, 253, 357, 391, 483, 519, 561, 759, 1173, 1211, 1309, 1771, 1903, 2737, 2941, 3633, 3927, 3979, 4301, 5313, 5709, 8211, 8823, 11937, 12903, 13321, 20587, 27853, 30107, 32351, 39963, 43769, 61761, 67643, 83559, 90321, 97053, 131307, 202929, 226457, 306383, 473501, 679371, 744073, 919149, 1420503, 2232219, 5208511, 15625533]

約数ペア:

[(1, 15625533), (3, 5208511), (7, 2232219), (11, 1420503), (17, 919149), (21, 744073), (23, 679371), (33, 473501), (51, 306383), (69, 226457), (77, 202929), (119, 131307), (161, 97053), (173, 90321), (187, 83559), (231, 67643), (253, 61761), (357, 43769), (391, 39963), (483, 32351), (519, 30107), (561, 27853), (759, 20587), (1173, 13321), (1211, 12903), (1309, 11937), (1771, 8823), (1903, 8211), (2737, 5709), (2941, 5313), (3633, 4301), (3927, 3979)]