231431865

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1571}}^1$

素因数の和:1670

約数の個数: 64

約数和(自身を含む): 449114112

約数和(自身を除く): 217682247

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 61, 69, 105, 115, 161, 183, 305, 345, 427, 483, 805, 915, 1281, 1403, 1571, 2135, 2415, 4209, 4713, 6405, 7015, 7855, 9821, 10997, 21045, 23565, 29463, 32991, 36133, 49105, 54985, 95831, 108399, 147315, 164955, 180665, 252931, 287493, 479155, 541995, 670817, 758793, 1264655, 1437465, 2012451, 2204113, 3354085, 3793965, 6612339, 10062255, 11020565, 15428791, 33061695, 46286373, 77143955, 231431865]

約数ペア:

[(1, 231431865), (3, 77143955), (5, 46286373), (7, 33061695), (15, 15428791), (21, 11020565), (23, 10062255), (35, 6612339), (61, 3793965), (69, 3354085), (105, 2204113), (115, 2012451), (161, 1437465), (183, 1264655), (305, 758793), (345, 670817), (427, 541995), (483, 479155), (805, 287493), (915, 252931), (1281, 180665), (1403, 164955), (1571, 147315), (2135, 108399), (2415, 95831), (4209, 54985), (4713, 49105), (6405, 36133), (7015, 32991), (7855, 29463), (9821, 23565), (10997, 21045)]