1641255

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1$

素因数の和:69

約数の個数: 64

約数和(自身を含む): 3456000

約数和(自身を除く): 1814745

約数列:

[1, 3, 5, 7, 11, 15, 21, 29, 33, 35, 49, 55, 77, 87, 105, 145, 147, 165, 203, 231, 245, 319, 343, 385, 435, 539, 609, 735, 957, 1015, 1029, 1155, 1421, 1595, 1617, 1715, 2233, 2695, 3045, 3773, 4263, 4785, 5145, 6699, 7105, 8085, 9947, 11165, 11319, 15631, 18865, 21315, 29841, 33495, 46893, 49735, 56595, 78155, 109417, 149205, 234465, 328251, 547085, 1641255]

約数ペア:

[(1, 1641255), (3, 547085), (5, 328251), (7, 234465), (11, 149205), (15, 109417), (21, 78155), (29, 56595), (33, 49735), (35, 46893), (49, 33495), (55, 29841), (77, 21315), (87, 18865), (105, 15631), (145, 11319), (147, 11165), (165, 9947), (203, 8085), (231, 7105), (245, 6699), (319, 5145), (343, 4785), (385, 4263), (435, 3773), (539, 3045), (609, 2695), (735, 2233), (957, 1715), (1015, 1617), (1029, 1595), (1155, 1421)]