61716921

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^2\times {\mathrm{1163}}^1$

素因数の和:1218

約数の個数: 36

約数和(自身を含む): 101114352

約数和(自身を除く): 39397431

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 361, 399, 931, 1083, 1163, 2527, 2793, 3489, 7581, 8141, 17689, 22097, 24423, 53067, 56987, 66291, 154679, 170961, 419843, 464037, 1082753, 1259529, 2938901, 3248259, 8816703, 20572307, 61716921]

約数ペア:

[(1, 61716921), (3, 20572307), (7, 8816703), (19, 3248259), (21, 2938901), (49, 1259529), (57, 1082753), (133, 464037), (147, 419843), (361, 170961), (399, 154679), (931, 66291), (1083, 56987), (1163, 53067), (2527, 24423), (2793, 22097), (3489, 17689), (7581, 8141)]