221473329

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{50461}}^1$

素因数の和:50501

約数の個数: 32

約数和(自身を含む): 387548160

約数和(自身を除く): 166074831

約数列:

[1, 3, 7, 11, 19, 21, 33, 57, 77, 133, 209, 231, 399, 627, 1463, 4389, 50461, 151383, 353227, 555071, 958759, 1059681, 1665213, 2876277, 3885497, 6711313, 10546349, 11656491, 20133939, 31639047, 73824443, 221473329]

約数ペア:

[(1, 221473329), (3, 73824443), (7, 31639047), (11, 20133939), (19, 11656491), (21, 10546349), (33, 6711313), (57, 3885497), (77, 2876277), (133, 1665213), (209, 1059681), (231, 958759), (399, 555071), (627, 353227), (1463, 151383), (4389, 50461)]