217465773

素因数分解:

$3^1\times 7^5\times {\mathrm{19}}^1\times {\mathrm{227}}^1$

素因数の和:284

約数の個数: 48

約数和(自身を含む): 357649920

約数和(自身を除く): 140184147

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 227, 343, 399, 681, 931, 1029, 1589, 2401, 2793, 4313, 4767, 6517, 7203, 11123, 12939, 16807, 19551, 30191, 33369, 45619, 50421, 77861, 90573, 136857, 211337, 233583, 319333, 545027, 634011, 957999, 1479359, 1635081, 3815189, 4438077, 10355513, 11445567, 31066539, 72488591, 217465773]

約数ペア:

[(1, 217465773), (3, 72488591), (7, 31066539), (19, 11445567), (21, 10355513), (49, 4438077), (57, 3815189), (133, 1635081), (147, 1479359), (227, 957999), (343, 634011), (399, 545027), (681, 319333), (931, 233583), (1029, 211337), (1589, 136857), (2401, 90573), (2793, 77861), (4313, 50421), (4767, 45619), (6517, 33369), (7203, 30191), (11123, 19551), (12939, 16807)]