55180215

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{4243}}^1$

素因数の和:4288

約数の個数: 36

約数和(自身を含む): 101626824

約数和(自身を除く): 46446609

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 289, 765, 867, 1445, 2601, 4243, 4335, 12729, 13005, 21215, 38187, 63645, 72131, 190935, 216393, 360655, 649179, 1081965, 1226227, 3245895, 3678681, 6131135, 11036043, 18393405, 55180215]

約数ペア:

[(1, 55180215), (3, 18393405), (5, 11036043), (9, 6131135), (15, 3678681), (17, 3245895), (45, 1226227), (51, 1081965), (85, 649179), (153, 360655), (255, 216393), (289, 190935), (765, 72131), (867, 63645), (1445, 38187), (2601, 21215), (4243, 13005), (4335, 12729)]