16681335

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{313}}^1$

素因数の和:368

約数の個数: 64

約数和(自身を含む): 32555520

約数和(自身を除く): 15874185

約数列:

[1, 3, 5, 11, 15, 17, 19, 33, 51, 55, 57, 85, 95, 165, 187, 209, 255, 285, 313, 323, 561, 627, 935, 939, 969, 1045, 1565, 1615, 2805, 3135, 3443, 3553, 4695, 4845, 5321, 5947, 10329, 10659, 15963, 17215, 17765, 17841, 26605, 29735, 51645, 53295, 58531, 65417, 79815, 89205, 101099, 175593, 196251, 292655, 303297, 327085, 505495, 877965, 981255, 1112089, 1516485, 3336267, 5560445, 16681335]

約数ペア:

[(1, 16681335), (3, 5560445), (5, 3336267), (11, 1516485), (15, 1112089), (17, 981255), (19, 877965), (33, 505495), (51, 327085), (55, 303297), (57, 292655), (85, 196251), (95, 175593), (165, 101099), (187, 89205), (209, 79815), (255, 65417), (285, 58531), (313, 53295), (323, 51645), (561, 29735), (627, 26605), (935, 17841), (939, 17765), (969, 17215), (1045, 15963), (1565, 10659), (1615, 10329), (2805, 5947), (3135, 5321), (3443, 4845), (3553, 4695)]