287573307

素因数分解:

$3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{389}}^1$

素因数の和:560

約数の個数: 48

約数和(自身を含む): 460961280

約数和(自身を除く): 173387973

約数列:

[1, 3, 7, 21, 47, 49, 107, 141, 147, 321, 329, 389, 749, 987, 1167, 2247, 2303, 2723, 5029, 5243, 6909, 8169, 15087, 15729, 18283, 19061, 35203, 41623, 54849, 57183, 105609, 124869, 127981, 246421, 291361, 383943, 739263, 874083, 895867, 1956281, 2039527, 2687601, 5868843, 6118581, 13693967, 41081901, 95857769, 287573307]

約数ペア:

[(1, 287573307), (3, 95857769), (7, 41081901), (21, 13693967), (47, 6118581), (49, 5868843), (107, 2687601), (141, 2039527), (147, 1956281), (321, 895867), (329, 874083), (389, 739263), (749, 383943), (987, 291361), (1167, 246421), (2247, 127981), (2303, 124869), (2723, 105609), (5029, 57183), (5243, 54849), (6909, 41623), (8169, 35203), (15087, 19061), (15729, 18283)]