40159749

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{401}}^1$

素因数の和:681

約数の個数: 32

約数和(自身を含む): 64834560

約数和(自身を除く): 24674811

約数列:

[1, 3, 7, 19, 21, 57, 133, 251, 399, 401, 753, 1203, 1757, 2807, 4769, 5271, 7619, 8421, 14307, 22857, 33383, 53333, 100149, 100651, 159999, 301953, 704557, 1912369, 2113671, 5737107, 13386583, 40159749]

約数ペア:

[(1, 40159749), (3, 13386583), (7, 5737107), (19, 2113671), (21, 1912369), (57, 704557), (133, 301953), (251, 159999), (399, 100651), (401, 100149), (753, 53333), (1203, 33383), (1757, 22857), (2807, 14307), (4769, 8421), (5271, 7619)]