30855069

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{173}}^1$

素因数の和:354

約数の個数: 48

約数和(自身を含む): 54288000

約数和(自身を除く): 23432931

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 149, 171, 173, 399, 447, 519, 1043, 1197, 1211, 1341, 1557, 2831, 3129, 3287, 3633, 8493, 9387, 9861, 10899, 19817, 23009, 25479, 25777, 29583, 59451, 69027, 77331, 178353, 180439, 207081, 231993, 489763, 541317, 1469289, 1623951, 3428341, 4407867, 10285023, 30855069]

約数ペア:

[(1, 30855069), (3, 10285023), (7, 4407867), (9, 3428341), (19, 1623951), (21, 1469289), (57, 541317), (63, 489763), (133, 231993), (149, 207081), (171, 180439), (173, 178353), (399, 77331), (447, 69027), (519, 59451), (1043, 29583), (1197, 25777), (1211, 25479), (1341, 23009), (1557, 19817), (2831, 10899), (3129, 9861), (3287, 9387), (3633, 8493)]