312304815

素因数分解:

$3^5\times 5^1\times {\mathrm{401}}^1\times {\mathrm{641}}^1$

素因数の和:1062

約数の個数: 48

約数和(自身を含む): 563655456

約数和(自身を除く): 251350641

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 401, 405, 641, 1203, 1215, 1923, 2005, 3205, 3609, 5769, 6015, 9615, 10827, 17307, 18045, 28845, 32481, 51921, 54135, 86535, 97443, 155763, 162405, 257041, 259605, 487215, 771123, 778815, 1285205, 2313369, 3855615, 6940107, 11566845, 20820321, 34700535, 62460963, 104101605, 312304815]

約数ペア:

[(1, 312304815), (3, 104101605), (5, 62460963), (9, 34700535), (15, 20820321), (27, 11566845), (45, 6940107), (81, 3855615), (135, 2313369), (243, 1285205), (401, 778815), (405, 771123), (641, 487215), (1203, 259605), (1215, 257041), (1923, 162405), (2005, 155763), (3205, 97443), (3609, 86535), (5769, 54135), (6015, 51921), (9615, 32481), (10827, 28845), (17307, 18045)]