254005245

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{25541}}^1$

素因数の和:25582

約数の個数: 48

約数和(自身を含む): 502053552

約数和(自身を除く): 248048307

約数列:

[1, 3, 5, 9, 13, 15, 17, 39, 45, 51, 65, 85, 117, 153, 195, 221, 255, 585, 663, 765, 1105, 1989, 3315, 9945, 25541, 76623, 127705, 229869, 332033, 383115, 434197, 996099, 1149345, 1302591, 1660165, 2170985, 2988297, 3907773, 4980495, 5644561, 6512955, 14941485, 16933683, 19538865, 28222805, 50801049, 84668415, 254005245]

約数ペア:

[(1, 254005245), (3, 84668415), (5, 50801049), (9, 28222805), (13, 19538865), (15, 16933683), (17, 14941485), (39, 6512955), (45, 5644561), (51, 4980495), (65, 3907773), (85, 2988297), (117, 2170985), (153, 1660165), (195, 1302591), (221, 1149345), (255, 996099), (585, 434197), (663, 383115), (765, 332033), (1105, 229869), (1989, 127705), (3315, 76623), (9945, 25541)]