3123505

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:110

約数の個数: 48

約数和(自身を含む): 5088960

約数和(自身を除く): 1965455

約数列:

[1, 5, 7, 11, 19, 35, 49, 55, 61, 77, 95, 133, 209, 245, 305, 385, 427, 539, 665, 671, 931, 1045, 1159, 1463, 2135, 2695, 2989, 3355, 4655, 4697, 5795, 7315, 8113, 10241, 12749, 14945, 23485, 32879, 40565, 51205, 56791, 63745, 89243, 164395, 283955, 446215, 624701, 3123505]

約数ペア:

[(1, 3123505), (5, 624701), (7, 446215), (11, 283955), (19, 164395), (35, 89243), (49, 63745), (55, 56791), (61, 51205), (77, 40565), (95, 32879), (133, 23485), (209, 14945), (245, 12749), (305, 10241), (385, 8113), (427, 7315), (539, 5795), (665, 4697), (671, 4655), (931, 3355), (1045, 2989), (1159, 2695), (1463, 2135)]