13561415

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1$

素因数の和:503

約数の個数: 32

約数和(自身を含む): 19906560

約数和(自身を除く): 6345145

約数列:

[1, 5, 7, 29, 31, 35, 145, 155, 203, 217, 431, 899, 1015, 1085, 2155, 3017, 4495, 6293, 12499, 13361, 15085, 31465, 62495, 66805, 87493, 93527, 387469, 437465, 467635, 1937345, 2712283, 13561415]

約数ペア:

[(1, 13561415), (5, 2712283), (7, 1937345), (29, 467635), (31, 437465), (35, 387469), (145, 93527), (155, 87493), (203, 66805), (217, 62495), (431, 31465), (899, 15085), (1015, 13361), (1085, 12499), (2155, 6293), (3017, 4495)]