16986915

素因数分解:

$3^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:103

約数の個数: 96

約数和(自身を含む): 35223552

約数和(自身を除く): 18236637

約数列:

[1, 3, 5, 9, 11, 15, 27, 31, 33, 41, 45, 55, 81, 93, 99, 123, 135, 155, 165, 205, 243, 279, 297, 341, 369, 405, 451, 465, 495, 615, 837, 891, 1023, 1107, 1215, 1271, 1353, 1395, 1485, 1705, 1845, 2255, 2511, 2673, 3069, 3321, 3813, 4059, 4185, 4455, 5115, 5535, 6355, 6765, 7533, 9207, 9963, 11439, 12177, 12555, 13365, 13981, 15345, 16605, 19065, 20295, 27621, 34317, 36531, 37665, 41943, 46035, 49815, 57195, 60885, 69905, 82863, 102951, 109593, 125829, 138105, 171585, 182655, 209715, 308853, 377487, 414315, 514755, 547965, 629145, 1132461, 1544265, 1887435, 3397383, 5662305, 16986915]

約数ペア:

[(1, 16986915), (3, 5662305), (5, 3397383), (9, 1887435), (11, 1544265), (15, 1132461), (27, 629145), (31, 547965), (33, 514755), (41, 414315), (45, 377487), (55, 308853), (81, 209715), (93, 182655), (99, 171585), (123, 138105), (135, 125829), (155, 109593), (165, 102951), (205, 82863), (243, 69905), (279, 60885), (297, 57195), (341, 49815), (369, 46035), (405, 41943), (451, 37665), (465, 36531), (495, 34317), (615, 27621), (837, 20295), (891, 19065), (1023, 16605), (1107, 15345), (1215, 13981), (1271, 13365), (1353, 12555), (1395, 12177), (1485, 11439), (1705, 9963), (1845, 9207), (2255, 7533), (2511, 6765), (2673, 6355), (3069, 5535), (3321, 5115), (3813, 4455), (4059, 4185)]