208857991605

素因数分解:

$3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{379}}^1\times {\mathrm{443}}^1\times {\mathrm{653}}^1$

素因数の和:1610

約数の個数: 64

約数和(自身を含む): 338973327360

約数和(自身を除く): 130115335755

約数列:

[1, 3, 5, 15, 127, 379, 381, 443, 635, 653, 1137, 1329, 1895, 1905, 1959, 2215, 3265, 5685, 6645, 9795, 48133, 56261, 82931, 144399, 167897, 168783, 240665, 247487, 248793, 281305, 289279, 414655, 503691, 721995, 742461, 839485, 843915, 867837, 1237435, 1243965, 1446395, 2518455, 3712305, 4339185, 21322919, 31430849, 36738433, 63968757, 94292547, 106614595, 109636741, 110215299, 157154245, 183692165, 319843785, 328910223, 471462735, 548183705, 551076495, 1644551115, 13923866107, 41771598321, 69619330535, 208857991605]

約数ペア:

[(1, 208857991605), (3, 69619330535), (5, 41771598321), (15, 13923866107), (127, 1644551115), (379, 551076495), (381, 548183705), (443, 471462735), (635, 328910223), (653, 319843785), (1137, 183692165), (1329, 157154245), (1895, 110215299), (1905, 109636741), (1959, 106614595), (2215, 94292547), (3265, 63968757), (5685, 36738433), (6645, 31430849), (9795, 21322919), (48133, 4339185), (56261, 3712305), (82931, 2518455), (144399, 1446395), (167897, 1243965), (168783, 1237435), (240665, 867837), (247487, 843915), (248793, 839485), (281305, 742461), (289279, 721995), (414655, 503691)]