211318653

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{45533}}^1$

素因数の和:45573

約数の個数: 32

約数和(自身を含む): 367186176

約数和(自身を除く): 155867523

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 221, 273, 357, 663, 1547, 4641, 45533, 136599, 318731, 591929, 774061, 956193, 1775787, 2322183, 4143503, 5418427, 10062793, 12430509, 16255281, 30188379, 70439551, 211318653]

約数ペア:

[(1, 211318653), (3, 70439551), (7, 30188379), (13, 16255281), (17, 12430509), (21, 10062793), (39, 5418427), (51, 4143503), (91, 2322183), (119, 1775787), (221, 956193), (273, 774061), (357, 591929), (663, 318731), (1547, 136599), (4641, 45533)]