395380245

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{20903}}^1$

素因数の和:21021

約数の個数: 32

約数和(自身を含む): 688326912

約数和(自身を除く): 292946667

約数列:

[1, 3, 5, 13, 15, 39, 65, 97, 195, 291, 485, 1261, 1455, 3783, 6305, 18915, 20903, 62709, 104515, 271739, 313545, 815217, 1358695, 2027591, 4076085, 6082773, 10137955, 26358683, 30413865, 79076049, 131793415, 395380245]

約数ペア:

[(1, 395380245), (3, 131793415), (5, 79076049), (13, 30413865), (15, 26358683), (39, 10137955), (65, 6082773), (97, 4076085), (195, 2027591), (291, 1358695), (485, 815217), (1261, 313545), (1455, 271739), (3783, 104515), (6305, 62709), (18915, 20903)]