243618739

素因数分解:

$7^2\times {\mathrm{13}}^3\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:157

約数の個数: 48

約数和(自身を含む): 321242880

約数和(自身を除く): 77624141

約数列:

[1, 7, 13, 31, 49, 73, 91, 169, 217, 403, 511, 637, 949, 1183, 1519, 2197, 2263, 2821, 3577, 5239, 6643, 8281, 12337, 15379, 15841, 19747, 29419, 36673, 46501, 68107, 86359, 107653, 110887, 160381, 205933, 256711, 382447, 476749, 604513, 1122667, 1441531, 2677129, 3337243, 4971811, 7858669, 18739903, 34802677, 243618739]

約数ペア:

[(1, 243618739), (7, 34802677), (13, 18739903), (31, 7858669), (49, 4971811), (73, 3337243), (91, 2677129), (169, 1441531), (217, 1122667), (403, 604513), (511, 476749), (637, 382447), (949, 256711), (1183, 205933), (1519, 160381), (2197, 110887), (2263, 107653), (2821, 86359), (3577, 68107), (5239, 46501), (6643, 36673), (8281, 29419), (12337, 19747), (15379, 15841)]