31994955

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1627}}^1$

素因数の和:1680

約数の個数: 48

約数和(自身を含む): 60952320

約数和(自身を除く): 28957365

約数列:

[1, 3, 5, 9, 15, 19, 23, 45, 57, 69, 95, 115, 171, 207, 285, 345, 437, 855, 1035, 1311, 1627, 2185, 3933, 4881, 6555, 8135, 14643, 19665, 24405, 30913, 37421, 73215, 92739, 112263, 154565, 187105, 278217, 336789, 463695, 561315, 710999, 1391085, 1683945, 2132997, 3554995, 6398991, 10664985, 31994955]

約数ペア:

[(1, 31994955), (3, 10664985), (5, 6398991), (9, 3554995), (15, 2132997), (19, 1683945), (23, 1391085), (45, 710999), (57, 561315), (69, 463695), (95, 336789), (115, 278217), (171, 187105), (207, 154565), (285, 112263), (345, 92739), (437, 73215), (855, 37421), (1035, 30913), (1311, 24405), (1627, 19665), (2185, 14643), (3933, 8135), (4881, 6555)]