1242885

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:130

約数の個数: 48

約数和(自身を含む): 2462400

約数和(自身を除く): 1219515

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 49, 57, 89, 95, 105, 133, 147, 245, 267, 285, 399, 445, 623, 665, 735, 931, 1335, 1691, 1869, 1995, 2793, 3115, 4361, 4655, 5073, 8455, 9345, 11837, 13083, 13965, 21805, 25365, 35511, 59185, 65415, 82859, 177555, 248577, 414295, 1242885]

約数ペア:

[(1, 1242885), (3, 414295), (5, 248577), (7, 177555), (15, 82859), (19, 65415), (21, 59185), (35, 35511), (49, 25365), (57, 21805), (89, 13965), (95, 13083), (105, 11837), (133, 9345), (147, 8455), (245, 5073), (267, 4655), (285, 4361), (399, 3115), (445, 2793), (623, 1995), (665, 1869), (735, 1691), (931, 1335)]