64397943

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1637}}^1$

素因数の和:1724

約数の個数: 32

約数和(自身を含む): 100638720

約数和(自身を除く): 36240777

約数列:

[1, 3, 9, 27, 31, 47, 93, 141, 279, 423, 837, 1269, 1457, 1637, 4371, 4911, 13113, 14733, 39339, 44199, 50747, 76939, 152241, 230817, 456723, 692451, 1370169, 2077353, 2385109, 7155327, 21465981, 64397943]

約数ペア:

[(1, 64397943), (3, 21465981), (9, 7155327), (27, 2385109), (31, 2077353), (47, 1370169), (93, 692451), (141, 456723), (279, 230817), (423, 152241), (837, 76939), (1269, 50747), (1457, 44199), (1637, 39339), (4371, 14733), (4911, 13113)]