27816915

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:220

約数の個数: 64

約数和(自身を含む): 53425152

約数和(自身を除く): 25608237

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 61, 101, 105, 129, 183, 215, 301, 303, 305, 427, 505, 645, 707, 903, 915, 1281, 1505, 1515, 2121, 2135, 2623, 3535, 4343, 4515, 6161, 6405, 7869, 10605, 13029, 13115, 18361, 18483, 21715, 30401, 30805, 39345, 43127, 55083, 65145, 91203, 91805, 92415, 129381, 152005, 215635, 264923, 275415, 456015, 646905, 794769, 1324615, 1854461, 3973845, 5563383, 9272305, 27816915]

約数ペア:

[(1, 27816915), (3, 9272305), (5, 5563383), (7, 3973845), (15, 1854461), (21, 1324615), (35, 794769), (43, 646905), (61, 456015), (101, 275415), (105, 264923), (129, 215635), (183, 152005), (215, 129381), (301, 92415), (303, 91805), (305, 91203), (427, 65145), (505, 55083), (645, 43127), (707, 39345), (903, 30805), (915, 30401), (1281, 21715), (1505, 18483), (1515, 18361), (2121, 13115), (2135, 13029), (2623, 10605), (3535, 7869), (4343, 6405), (4515, 6161)]