215949375

素因数分解:

$3^3\times 5^4\times {\mathrm{67}}^1\times {\mathrm{191}}^1$

素因数の和:287

約数の個数: 80

約数和(自身を含む): 407869440

約数和(自身を除く): 191920065

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 67, 75, 125, 135, 191, 201, 225, 335, 375, 573, 603, 625, 675, 955, 1005, 1125, 1675, 1719, 1809, 1875, 2865, 3015, 3375, 4775, 5025, 5157, 5625, 8375, 8595, 9045, 12797, 14325, 15075, 16875, 23875, 25125, 25785, 38391, 41875, 42975, 45225, 63985, 71625, 75375, 115173, 119375, 125625, 128925, 191955, 214875, 226125, 319925, 345519, 358125, 376875, 575865, 644625, 959775, 1074375, 1130625, 1599625, 1727595, 2879325, 3223125, 4798875, 7998125, 8637975, 14396625, 23994375, 43189875, 71983125, 215949375]

約数ペア:

[(1, 215949375), (3, 71983125), (5, 43189875), (9, 23994375), (15, 14396625), (25, 8637975), (27, 7998125), (45, 4798875), (67, 3223125), (75, 2879325), (125, 1727595), (135, 1599625), (191, 1130625), (201, 1074375), (225, 959775), (335, 644625), (375, 575865), (573, 376875), (603, 358125), (625, 345519), (675, 319925), (955, 226125), (1005, 214875), (1125, 191955), (1675, 128925), (1719, 125625), (1809, 119375), (1875, 115173), (2865, 75375), (3015, 71625), (3375, 63985), (4775, 45225), (5025, 42975), (5157, 41875), (5625, 38391), (8375, 25785), (8595, 25125), (9045, 23875), (12797, 16875), (14325, 15075)]