209355843

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{383}}^1$

素因数の和:579

約数の個数: 32

約数和(自身を含む): 297123840

約数和(自身を除く): 87767997

約数列:

[1, 3, 29, 61, 87, 103, 183, 309, 383, 1149, 1769, 2987, 5307, 6283, 8961, 11107, 18849, 23363, 33321, 39449, 70089, 118347, 182207, 546621, 677527, 1144021, 2032581, 2406389, 3432063, 7219167, 69785281, 209355843]

約数ペア:

[(1, 209355843), (3, 69785281), (29, 7219167), (61, 3432063), (87, 2406389), (103, 2032581), (183, 1144021), (309, 677527), (383, 546621), (1149, 182207), (1769, 118347), (2987, 70089), (5307, 39449), (6283, 33321), (8961, 23363), (11107, 18849)]