207790023

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{1237}}^1$

素因数の和:1687

約数の個数: 32

約数和(自身を含む): 334359040

約数和(自身を除く): 126569017

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 421, 1237, 1263, 2947, 3711, 7999, 8659, 8841, 23503, 23997, 25977, 55993, 70509, 164521, 167979, 493563, 520777, 1562331, 3645439, 9894763, 10936317, 29684289, 69263341, 207790023]

約数ペア:

[(1, 207790023), (3, 69263341), (7, 29684289), (19, 10936317), (21, 9894763), (57, 3645439), (133, 1562331), (399, 520777), (421, 493563), (1237, 167979), (1263, 164521), (2947, 70509), (3711, 55993), (7999, 25977), (8659, 23997), (8841, 23503)]