71667885

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{4831}}^1$

素因数の和:4905

約数の個数: 32

約数和(自身を含む): 122462208

約数和(自身を除く): 50794323

約数列:

[1, 3, 5, 15, 23, 43, 69, 115, 129, 215, 345, 645, 989, 2967, 4831, 4945, 14493, 14835, 24155, 72465, 111113, 207733, 333339, 555565, 623199, 1038665, 1666695, 3115995, 4777859, 14333577, 23889295, 71667885]

約数ペア:

[(1, 71667885), (3, 23889295), (5, 14333577), (15, 4777859), (23, 3115995), (43, 1666695), (69, 1038665), (115, 623199), (129, 555565), (215, 333339), (345, 207733), (645, 111113), (989, 72465), (2967, 24155), (4831, 14835), (4945, 14493)]