1997199045

素因数分解:

$3^3\times 5^1\times {\mathrm{2999}}^1\times {\mathrm{4933}}^1$

素因数の和:7946

約数の個数: 32

約数和(自身を含む): 3552480000

約数和(自身を除く): 1555280955

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 2999, 4933, 8997, 14799, 14995, 24665, 26991, 44397, 44985, 73995, 80973, 133191, 134955, 221985, 404865, 665955, 14794067, 44382201, 73970335, 133146603, 221911005, 399439809, 665733015, 1997199045]

約数ペア:

[(1, 1997199045), (3, 665733015), (5, 399439809), (9, 221911005), (15, 133146603), (27, 73970335), (45, 44382201), (135, 14794067), (2999, 665955), (4933, 404865), (8997, 221985), (14799, 134955), (14995, 133191), (24665, 80973), (26991, 73995), (44397, 44985)]