278317065

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{523}}^1\times {\mathrm{2729}}^1$

素因数の和:3273

約数の個数: 32

約数和(自身を含む): 480654720

約数和(自身を除く): 202337655

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 523, 1569, 2615, 2729, 6799, 7845, 8187, 13645, 20397, 33995, 35477, 40935, 101985, 106431, 177385, 532155, 1427267, 4281801, 7136335, 18554471, 21409005, 55663413, 92772355, 278317065]

約数ペア:

[(1, 278317065), (3, 92772355), (5, 55663413), (13, 21409005), (15, 18554471), (39, 7136335), (65, 4281801), (195, 1427267), (523, 532155), (1569, 177385), (2615, 106431), (2729, 101985), (6799, 40935), (7845, 35477), (8187, 33995), (13645, 20397)]