16564245

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{421}}^1$

素因数の和:533

約数の個数: 32

約数和(自身を含む): 27629184

約数和(自身を除く): 11064939

約数列:

[1, 3, 5, 15, 43, 61, 129, 183, 215, 305, 421, 645, 915, 1263, 2105, 2623, 6315, 7869, 13115, 18103, 25681, 39345, 54309, 77043, 90515, 128405, 271545, 385215, 1104283, 3312849, 5521415, 16564245]

約数ペア:

[(1, 16564245), (3, 5521415), (5, 3312849), (15, 1104283), (43, 385215), (61, 271545), (129, 128405), (183, 90515), (215, 77043), (305, 54309), (421, 39345), (645, 25681), (915, 18103), (1263, 13115), (2105, 7869), (2623, 6315)]