19975908225

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{172169}}^1$

素因数の和:172219

約数の個数: 96

約数和(自身を含む): 43039745280

約数和(自身を除く): 23063837055

約数列:

[1, 3, 5, 7, 13, 15, 17, 21, 25, 35, 39, 51, 65, 75, 85, 91, 105, 119, 175, 195, 221, 255, 273, 325, 357, 425, 455, 525, 595, 663, 975, 1105, 1275, 1365, 1547, 1785, 2275, 2975, 3315, 4641, 5525, 6825, 7735, 8925, 16575, 23205, 38675, 116025, 172169, 516507, 860845, 1205183, 2238197, 2582535, 2926873, 3615549, 4304225, 6025915, 6714591, 8780619, 11190985, 12912675, 14634365, 15667379, 18077745, 20488111, 30129575, 33572955, 38049349, 43903095, 47002137, 55954925, 61464333, 73171825, 78336895, 90388725, 102440555, 114148047, 167864775, 190246745, 219515475, 235010685, 266345443, 307321665, 391684475, 512202775, 570740235, 799036329, 951233725, 1175053425, 1331727215, 1536608325, 2853701175, 3995181645, 6658636075, 19975908225]

約数ペア:

[(1, 19975908225), (3, 6658636075), (5, 3995181645), (7, 2853701175), (13, 1536608325), (15, 1331727215), (17, 1175053425), (21, 951233725), (25, 799036329), (35, 570740235), (39, 512202775), (51, 391684475), (65, 307321665), (75, 266345443), (85, 235010685), (91, 219515475), (105, 190246745), (119, 167864775), (175, 114148047), (195, 102440555), (221, 90388725), (255, 78336895), (273, 73171825), (325, 61464333), (357, 55954925), (425, 47002137), (455, 43903095), (525, 38049349), (595, 33572955), (663, 30129575), (975, 20488111), (1105, 18077745), (1275, 15667379), (1365, 14634365), (1547, 12912675), (1785, 11190985), (2275, 8780619), (2975, 6714591), (3315, 6025915), (4641, 4304225), (5525, 3615549), (6825, 2926873), (7735, 2582535), (8925, 2238197), (16575, 1205183), (23205, 860845), (38675, 516507), (116025, 172169)]