28718865

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1$

素因数の和:239

約数の個数: 96

約数和(自身を含む): 62539776

約数和(自身を除く): 33820911

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 31, 35, 45, 51, 63, 85, 93, 105, 119, 153, 155, 173, 217, 255, 279, 315, 357, 465, 519, 527, 595, 651, 765, 865, 1071, 1085, 1211, 1395, 1557, 1581, 1785, 1953, 2595, 2635, 2941, 3255, 3633, 3689, 4743, 5355, 5363, 6055, 7785, 7905, 8823, 9765, 10899, 11067, 14705, 16089, 18165, 18445, 20587, 23715, 26469, 26815, 33201, 37541, 44115, 48267, 54495, 55335, 61761, 80445, 91171, 102935, 112623, 132345, 166005, 185283, 187705, 241335, 273513, 308805, 337869, 455855, 563115, 638197, 820539, 926415, 1367565, 1689345, 1914591, 3190985, 4102695, 5743773, 9572955, 28718865]

約数ペア:

[(1, 28718865), (3, 9572955), (5, 5743773), (7, 4102695), (9, 3190985), (15, 1914591), (17, 1689345), (21, 1367565), (31, 926415), (35, 820539), (45, 638197), (51, 563115), (63, 455855), (85, 337869), (93, 308805), (105, 273513), (119, 241335), (153, 187705), (155, 185283), (173, 166005), (217, 132345), (255, 112623), (279, 102935), (315, 91171), (357, 80445), (465, 61761), (519, 55335), (527, 54495), (595, 48267), (651, 44115), (765, 37541), (865, 33201), (1071, 26815), (1085, 26469), (1211, 23715), (1395, 20587), (1557, 18445), (1581, 18165), (1785, 16089), (1953, 14705), (2595, 11067), (2635, 10899), (2941, 9765), (3255, 8823), (3633, 7905), (3689, 7785), (4743, 6055), (5355, 5363)]