64521969

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{199}}^1$

素因数の和:389

約数の個数: 32

約数和(自身を含む): 93388800

約数和(自身を除く): 28866831

約数列:

[1, 3, 23, 37, 69, 111, 127, 199, 381, 597, 851, 2553, 2921, 4577, 4699, 7363, 8763, 13731, 14097, 22089, 25273, 75819, 108077, 169349, 324231, 508047, 581279, 935101, 1743837, 2805303, 21507323, 64521969]

約数ペア:

[(1, 64521969), (3, 21507323), (23, 2805303), (37, 1743837), (69, 935101), (111, 581279), (127, 508047), (199, 324231), (381, 169349), (597, 108077), (851, 75819), (2553, 25273), (2921, 22089), (4577, 14097), (4699, 13731), (7363, 8763)]