157279017

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1\times {\mathrm{983}}^1$

素因数の和:1413

約数の個数: 32

約数和(自身を含む): 253163520

約数和(自身を除く): 95884503

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 401, 983, 1203, 2807, 2949, 6881, 7619, 8421, 18677, 20643, 22857, 53333, 56031, 130739, 159999, 392217, 394183, 1182549, 2759281, 7489477, 8277843, 22468431, 52426339, 157279017]

約数ペア:

[(1, 157279017), (3, 52426339), (7, 22468431), (19, 8277843), (21, 7489477), (57, 2759281), (133, 1182549), (399, 394183), (401, 392217), (983, 159999), (1203, 130739), (2807, 56031), (2949, 53333), (6881, 22857), (7619, 20643), (8421, 18677)]