690552045

素因数分解:

$3^2\times 5^1\times {\mathrm{1987}}^1\times {\mathrm{7723}}^1$

素因数の和:9721

約数の個数: 24

約数和(自身を含む): 1197714336

約数和(自身を除く): 507162291

約数列:

[1, 3, 5, 9, 15, 45, 1987, 5961, 7723, 9935, 17883, 23169, 29805, 38615, 69507, 89415, 115845, 347535, 15345601, 46036803, 76728005, 138110409, 230184015, 690552045]

約数ペア:

[(1, 690552045), (3, 230184015), (5, 138110409), (9, 76728005), (15, 46036803), (45, 15345601), (1987, 347535), (5961, 115845), (7723, 89415), (9935, 69507), (17883, 38615), (23169, 29805)]