397463907

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{883}}^1$

素因数の和:1107

約数の個数: 32

約数和(自身を含む): 572832000

約数和(自身を除く): 175368093

約数列:

[1, 3, 19, 53, 57, 149, 159, 447, 883, 1007, 2649, 2831, 3021, 7897, 8493, 16777, 23691, 46799, 50331, 131567, 140397, 150043, 394701, 450129, 889181, 2499773, 2667543, 6973051, 7499319, 20919153, 132487969, 397463907]

約数ペア:

[(1, 397463907), (3, 132487969), (19, 20919153), (53, 7499319), (57, 6973051), (149, 2667543), (159, 2499773), (447, 889181), (883, 450129), (1007, 394701), (2649, 150043), (2831, 140397), (3021, 131567), (7897, 50331), (8493, 46799), (16777, 23691)]