56719215

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{887}}^1$

素因数の和:941

約数の個数: 72

約数和(自身を含む): 118441440

約数和(自身を除く): 61722225

約数列:

[1, 3, 5, 7, 9, 15, 21, 29, 35, 45, 49, 63, 87, 105, 145, 147, 203, 245, 261, 315, 435, 441, 609, 735, 887, 1015, 1305, 1421, 1827, 2205, 2661, 3045, 4263, 4435, 6209, 7105, 7983, 9135, 12789, 13305, 18627, 21315, 25723, 31045, 39915, 43463, 55881, 63945, 77169, 93135, 128615, 130389, 180061, 217315, 231507, 279405, 385845, 391167, 540183, 651945, 900305, 1157535, 1260427, 1620549, 1955835, 2700915, 3781281, 6302135, 8102745, 11343843, 18906405, 56719215]

約数ペア:

[(1, 56719215), (3, 18906405), (5, 11343843), (7, 8102745), (9, 6302135), (15, 3781281), (21, 2700915), (29, 1955835), (35, 1620549), (45, 1260427), (49, 1157535), (63, 900305), (87, 651945), (105, 540183), (145, 391167), (147, 385845), (203, 279405), (245, 231507), (261, 217315), (315, 180061), (435, 130389), (441, 128615), (609, 93135), (735, 77169), (887, 63945), (1015, 55881), (1305, 43463), (1421, 39915), (1827, 31045), (2205, 25723), (2661, 21315), (3045, 18627), (4263, 13305), (4435, 12789), (6209, 9135), (7105, 7983)]