281627985

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{307}}^1\times {\mathrm{2659}}^1$

素因数の和:2997

約数の個数: 32

約数和(自身を含む): 471905280

約数和(自身を除く): 190277295

約数列:

[1, 3, 5, 15, 23, 69, 115, 307, 345, 921, 1535, 2659, 4605, 7061, 7977, 13295, 21183, 35305, 39885, 61157, 105915, 183471, 305785, 816313, 917355, 2448939, 4081565, 12244695, 18775199, 56325597, 93875995, 281627985]

約数ペア:

[(1, 281627985), (3, 93875995), (5, 56325597), (15, 18775199), (23, 12244695), (69, 4081565), (115, 2448939), (307, 917355), (345, 816313), (921, 305785), (1535, 183471), (2659, 105915), (4605, 61157), (7061, 39885), (7977, 35305), (13295, 21183)]