67891515

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{307}}^1\times {\mathrm{641}}^1$

素因数の和:979

約数の個数: 32

約数和(自身を含む): 113895936

約数和(自身を除く): 46004421

約数列:

[1, 3, 5, 15, 23, 69, 115, 307, 345, 641, 921, 1535, 1923, 3205, 4605, 7061, 9615, 14743, 21183, 35305, 44229, 73715, 105915, 196787, 221145, 590361, 983935, 2951805, 4526101, 13578303, 22630505, 67891515]

約数ペア:

[(1, 67891515), (3, 22630505), (5, 13578303), (15, 4526101), (23, 2951805), (69, 983935), (115, 590361), (307, 221145), (345, 196787), (641, 105915), (921, 73715), (1535, 44229), (1923, 35305), (3205, 21183), (4605, 14743), (7061, 9615)]