71386287

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{419}}^1$

素因数の和:516

約数の個数: 48

約数和(自身を含む): 118742400

約数和(自身を除く): 47356113

約数列:

[1, 3, 7, 19, 21, 49, 57, 61, 133, 147, 183, 399, 419, 427, 931, 1159, 1257, 1281, 2793, 2933, 2989, 3477, 7961, 8113, 8799, 8967, 20531, 23883, 24339, 25559, 55727, 56791, 61593, 76677, 167181, 170373, 178913, 390089, 485621, 536739, 1170267, 1252391, 1456863, 3399347, 3757173, 10198041, 23795429, 71386287]

約数ペア:

[(1, 71386287), (3, 23795429), (7, 10198041), (19, 3757173), (21, 3399347), (49, 1456863), (57, 1252391), (61, 1170267), (133, 536739), (147, 485621), (183, 390089), (399, 178913), (419, 170373), (427, 167181), (931, 76677), (1159, 61593), (1257, 56791), (1281, 55727), (2793, 25559), (2933, 24339), (2989, 23883), (3477, 20531), (7961, 8967), (8113, 8799)]