15201505

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:297

約数の個数: 32

約数和(自身を含む): 21212928

約数和(自身を除く): 6011423

約数列:

[1, 5, 11, 23, 55, 61, 115, 197, 253, 305, 671, 985, 1265, 1403, 2167, 3355, 4531, 7015, 10835, 12017, 15433, 22655, 49841, 60085, 77165, 132187, 249205, 276391, 660935, 1381955, 3040301, 15201505]

約数ペア:

[(1, 15201505), (5, 3040301), (11, 1381955), (23, 660935), (55, 276391), (61, 249205), (115, 132187), (197, 77165), (253, 60085), (305, 49841), (671, 22655), (985, 15433), (1265, 12017), (1403, 10835), (2167, 7015), (3355, 4531)]