291218109

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{479}}^1$

素因数の和:650

約数の個数: 64

約数和(自身を含む): 510935040

約数和(自身を除く): 219716931

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 131, 221, 273, 357, 393, 479, 663, 917, 1437, 1547, 1703, 2227, 2751, 3353, 4641, 5109, 6227, 6681, 8143, 10059, 11921, 15589, 18681, 24429, 28951, 35763, 43589, 46767, 57001, 62749, 86853, 105859, 130767, 171003, 188247, 202657, 317577, 439243, 607971, 741013, 815737, 1066733, 1317729, 2223039, 2447211, 3200199, 5710159, 7467131, 13867529, 17130477, 22401393, 41602587, 97072703, 291218109]

約数ペア:

[(1, 291218109), (3, 97072703), (7, 41602587), (13, 22401393), (17, 17130477), (21, 13867529), (39, 7467131), (51, 5710159), (91, 3200199), (119, 2447211), (131, 2223039), (221, 1317729), (273, 1066733), (357, 815737), (393, 741013), (479, 607971), (663, 439243), (917, 317577), (1437, 202657), (1547, 188247), (1703, 171003), (2227, 130767), (2751, 105859), (3353, 86853), (4641, 62749), (5109, 57001), (6227, 46767), (6681, 43589), (8143, 35763), (10059, 28951), (11921, 24429), (15589, 18681)]