42167745

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{331}}^1$

素因数の和:510

約数の個数: 48

約数和(自身を含む): 77688000

約数和(自身を除く): 35520255

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 149, 171, 285, 331, 447, 745, 855, 993, 1341, 1655, 2235, 2831, 2979, 4965, 6289, 6705, 8493, 14155, 14895, 18867, 25479, 31445, 42465, 49319, 56601, 94335, 127395, 147957, 246595, 283005, 443871, 739785, 937061, 2219355, 2811183, 4685305, 8433549, 14055915, 42167745]

約数ペア:

[(1, 42167745), (3, 14055915), (5, 8433549), (9, 4685305), (15, 2811183), (19, 2219355), (45, 937061), (57, 739785), (95, 443871), (149, 283005), (171, 246595), (285, 147957), (331, 127395), (447, 94335), (745, 56601), (855, 49319), (993, 42465), (1341, 31445), (1655, 25479), (2235, 18867), (2831, 14895), (2979, 14155), (4965, 8493), (6289, 6705)]