16697421

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1$

素因数の和:283

約数の個数: 40

約数和(自身を含む): 27300504

約数和(自身を除く): 10603083

約数列:

[1, 3, 9, 13, 27, 39, 81, 101, 117, 157, 303, 351, 471, 909, 1053, 1313, 1413, 2041, 2727, 3939, 4239, 6123, 8181, 11817, 12717, 15857, 18369, 35451, 47571, 55107, 106353, 142713, 165321, 206141, 428139, 618423, 1284417, 1855269, 5565807, 16697421]

約数ペア:

[(1, 16697421), (3, 5565807), (9, 1855269), (13, 1284417), (27, 618423), (39, 428139), (81, 206141), (101, 165321), (117, 142713), (157, 106353), (303, 55107), (351, 47571), (471, 35451), (909, 18369), (1053, 15857), (1313, 12717), (1413, 11817), (2041, 8181), (2727, 6123), (3939, 4239)]