202128225

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{431}}^1$

素因数の和:507

約数の個数: 72

約数和(自身を含む): 372511872

約数和(自身を除く): 170383647

約数列:

[1, 3, 5, 13, 15, 25, 37, 39, 65, 75, 111, 169, 185, 195, 325, 431, 481, 507, 555, 845, 925, 975, 1293, 1443, 2155, 2405, 2535, 2775, 4225, 5603, 6253, 6465, 7215, 10775, 12025, 12675, 15947, 16809, 18759, 28015, 31265, 32325, 36075, 47841, 72839, 79735, 84045, 93795, 140075, 156325, 207311, 218517, 239205, 364195, 398675, 420225, 468975, 621933, 1036555, 1092585, 1196025, 1820975, 2695043, 3109665, 5182775, 5462925, 8085129, 13475215, 15548325, 40425645, 67376075, 202128225]

約数ペア:

[(1, 202128225), (3, 67376075), (5, 40425645), (13, 15548325), (15, 13475215), (25, 8085129), (37, 5462925), (39, 5182775), (65, 3109665), (75, 2695043), (111, 1820975), (169, 1196025), (185, 1092585), (195, 1036555), (325, 621933), (431, 468975), (481, 420225), (507, 398675), (555, 364195), (845, 239205), (925, 218517), (975, 207311), (1293, 156325), (1443, 140075), (2155, 93795), (2405, 84045), (2535, 79735), (2775, 72839), (4225, 47841), (5603, 36075), (6253, 32325), (6465, 31265), (7215, 28015), (10775, 18759), (12025, 16809), (12675, 15947)]