215702949

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{67}}^1\times {\mathrm{181}}^1$

素因数の和:287

約数の個数: 72

約数和(自身を含む): 375289824

約数和(自身を除く): 159586875

約数列:

[1, 3, 7, 11, 21, 33, 49, 67, 77, 121, 147, 181, 201, 231, 363, 469, 539, 543, 737, 847, 1267, 1407, 1617, 1991, 2211, 2541, 3283, 3801, 5159, 5929, 5973, 8107, 8869, 9849, 12127, 13937, 15477, 17787, 21901, 24321, 26607, 36113, 36381, 41811, 56749, 65703, 84889, 97559, 108339, 133397, 153307, 170247, 254667, 292677, 397243, 400191, 459921, 594223, 933779, 1073149, 1191729, 1467367, 1782669, 2801337, 3219447, 4402101, 6536453, 10271569, 19609359, 30814707, 71900983, 215702949]

約数ペア:

[(1, 215702949), (3, 71900983), (7, 30814707), (11, 19609359), (21, 10271569), (33, 6536453), (49, 4402101), (67, 3219447), (77, 2801337), (121, 1782669), (147, 1467367), (181, 1191729), (201, 1073149), (231, 933779), (363, 594223), (469, 459921), (539, 400191), (543, 397243), (737, 292677), (847, 254667), (1267, 170247), (1407, 153307), (1617, 133397), (1991, 108339), (2211, 97559), (2541, 84889), (3283, 65703), (3801, 56749), (5159, 41811), (5929, 36381), (5973, 36113), (8107, 26607), (8869, 24321), (9849, 21901), (12127, 17787), (13937, 15477)]