397118967

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{2441}}^1$

素因数の和:2639

約数の個数: 32

約数和(自身を含む): 620150784

約数和(自身を除く): 223031817

約数列:

[1, 3, 7, 21, 61, 127, 183, 381, 427, 889, 1281, 2441, 2667, 7323, 7747, 17087, 23241, 51261, 54229, 148901, 162687, 310007, 446703, 930021, 1042307, 2170049, 3126921, 6510147, 18910427, 56731281, 132372989, 397118967]

約数ペア:

[(1, 397118967), (3, 132372989), (7, 56731281), (21, 18910427), (61, 6510147), (127, 3126921), (183, 2170049), (381, 1042307), (427, 930021), (889, 446703), (1281, 310007), (2441, 162687), (2667, 148901), (7323, 54229), (7747, 51261), (17087, 23241)]